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PYSEC-2019-41
Vulnerability from pysec - Published: 2019-11-12 02:15 - Updated: 2019-11-18 21:15
VLAI
Details
psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.
Impacted products
| Name | purl | psutil | pkg:pypi/psutil |
|---|
Aliases
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "psutil",
"purl": "pkg:pypi/psutil"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.6.6"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.1.0",
"0.1.1",
"0.1.2",
"0.1.3",
"0.2.0",
"0.2.1",
"0.3.0",
"0.4.0",
"0.4.1",
"0.5.0",
"0.5.1",
"0.6.0",
"0.6.1",
"0.7.0",
"0.7.1",
"1.0.0",
"1.0.1",
"1.1.0",
"1.1.1",
"1.1.2",
"1.1.3",
"1.2.0",
"1.2.1",
"2.0.0",
"2.1.0",
"2.1.1",
"2.1.2",
"2.1.3",
"2.2.0",
"2.2.1",
"3.0.0",
"3.0.1",
"3.1.0",
"3.1.1",
"3.2.0",
"3.2.1",
"3.2.2",
"3.3.0",
"3.4.0",
"3.4.1",
"3.4.2",
"4.0.0",
"4.1.0",
"4.2.0",
"4.3.0",
"4.3.1",
"4.4.0",
"4.4.1",
"4.4.2",
"5.0.0",
"5.0.1",
"5.1.0",
"5.1.1",
"5.1.2",
"5.1.3",
"5.2.0",
"5.2.1",
"5.2.2",
"5.3.0",
"5.3.1",
"5.4.0",
"5.4.1",
"5.4.2",
"5.4.3",
"5.4.4",
"5.4.5",
"5.4.6",
"5.4.7",
"5.4.8",
"5.5.0",
"5.5.1",
"5.6.0",
"5.6.1",
"5.6.2",
"5.6.3",
"5.6.4",
"5.6.5"
]
}
],
"aliases": [
"CVE-2019-18874",
"GHSA-qfc5-mcwq-26q8"
],
"details": "psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.",
"id": "PYSEC-2019-41",
"modified": "2019-11-18T21:15:00Z",
"published": "2019-11-12T02:15:00Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/pull/1616"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00018.html"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4204-1/"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2P7QI7MOTZTFXQYU23CP3RAWXCERMOAS/"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OLETTJYZL2SMBUI4Q2NGBMGPDPP54SRG/"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-qfc5-mcwq-26q8"
}
]
}
BREW-JUPYTERLAB-CVE-2019-18874 (GHSA-QFC5-MCWQ-26Q8)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:01 – Updated: 2026-09-10 00:14 – Source website
VLAI
Summary
Double Free in psutil
Details
psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.
Severity
References
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "psutil",
"resource_purl": "pkg:pypi/psutil@7.2.2",
"upstream_fixed_in": "5.6.6"
},
"package": {
"ecosystem": "Homebrew",
"name": "jupyterlab",
"purl": "pkg:brew/jupyterlab"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.6.3"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/psutil@7.2.2",
"name": "psutil",
"resource": "psutil",
"strategy": "registry",
"subject_version": "7.2.2"
}
]
},
"details": "psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.",
"id": "BREW-jupyterlab-CVE-2019-18874",
"modified": "2026-09-10T00:14:35Z",
"published": "2026-08-13T17:01:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18874"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/pull/1616"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/commit/7d512c8e4442a896d56505be3e78f1156f443465"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-qfc5-mcwq-26q8"
},
{
"type": "PACKAGE",
"url": "https://github.com/giampaolo/psutil"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/blob/master/HISTORY.rst#566"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/psutil/PYSEC-2019-41.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00018.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2P7QI7MOTZTFXQYU23CP3RAWXCERMOAS"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OLETTJYZL2SMBUI4Q2NGBMGPDPP54SRG"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4204-1"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Double Free in psutil",
"upstream": [
"GHSA-qfc5-mcwq-26q8",
"CVE-2019-18874",
"PYSEC-2019-41"
]
}
BREW-KEEPER-COMMANDER-CV… (GHSA-QFC5-MCWQ-26Q8)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:01 – Updated: 2026-09-10 00:15 – Source website
VLAI
Summary
Double Free in psutil
Details
psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.
Severity
References
| URL | Type | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "psutil",
"resource_purl": "pkg:pypi/psutil@7.2.2",
"upstream_fixed_in": "5.6.6"
},
"package": {
"ecosystem": "Homebrew",
"name": "keeper-commander",
"purl": "pkg:brew/keeper-commander"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "18.1.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/psutil@7.2.2",
"name": "psutil",
"resource": "psutil",
"strategy": "registry",
"subject_version": "7.2.2"
}
]
},
"details": "psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.",
"id": "BREW-keeper-commander-CVE-2019-18874",
"modified": "2026-09-10T00:15:38Z",
"published": "2026-08-13T17:01:22Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18874"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/pull/1616"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/commit/7d512c8e4442a896d56505be3e78f1156f443465"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-qfc5-mcwq-26q8"
},
{
"type": "PACKAGE",
"url": "https://github.com/giampaolo/psutil"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/blob/master/HISTORY.rst#566"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/psutil/PYSEC-2019-41.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00018.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2P7QI7MOTZTFXQYU23CP3RAWXCERMOAS"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OLETTJYZL2SMBUI4Q2NGBMGPDPP54SRG"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4204-1"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Double Free in psutil",
"upstream": [
"GHSA-qfc5-mcwq-26q8",
"CVE-2019-18874",
"PYSEC-2019-41"
]
}
BREW-LOCALSTACK-CVE-2019-18874 (GHSA-QFC5-MCWQ-26Q8)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:03 – Updated: 2026-09-10 00:20 – Source website
VLAI
Summary
Double Free in psutil
Details
psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.
Severity
References
| URL | Type | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "psutil",
"resource_purl": "pkg:pypi/psutil@7.2.2",
"upstream_fixed_in": "5.6.6"
},
"package": {
"ecosystem": "Homebrew",
"name": "localstack",
"purl": "pkg:brew/localstack"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2026.3.0_2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/psutil@7.2.2",
"name": "psutil",
"resource": "psutil",
"strategy": "registry",
"subject_version": "7.2.2"
}
]
},
"details": "psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.",
"id": "BREW-localstack-CVE-2019-18874",
"modified": "2026-09-10T00:20:57Z",
"published": "2026-08-13T17:03:02Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18874"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/pull/1616"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/commit/7d512c8e4442a896d56505be3e78f1156f443465"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-qfc5-mcwq-26q8"
},
{
"type": "PACKAGE",
"url": "https://github.com/giampaolo/psutil"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/blob/master/HISTORY.rst#566"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/psutil/PYSEC-2019-41.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00018.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2P7QI7MOTZTFXQYU23CP3RAWXCERMOAS"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OLETTJYZL2SMBUI4Q2NGBMGPDPP54SRG"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4204-1"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Double Free in psutil",
"upstream": [
"GHSA-qfc5-mcwq-26q8",
"CVE-2019-18874",
"PYSEC-2019-41"
]
}
BREW-LOCUST-CVE-2019-18874 (GHSA-QFC5-MCWQ-26Q8)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:03 – Updated: 2026-09-10 00:20 – Source website
VLAI
Summary
Double Free in psutil
Details
psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.
Severity
References
| URL | Type | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "psutil",
"resource_purl": "pkg:pypi/psutil@7.2.2",
"upstream_fixed_in": "5.6.6"
},
"package": {
"ecosystem": "Homebrew",
"name": "locust",
"purl": "pkg:brew/locust"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.46.3"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/psutil@7.2.2",
"name": "psutil",
"resource": "psutil",
"strategy": "registry",
"subject_version": "7.2.2"
}
]
},
"details": "psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.",
"id": "BREW-locust-CVE-2019-18874",
"modified": "2026-09-10T00:20:57Z",
"published": "2026-08-13T17:03:02Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18874"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/pull/1616"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/commit/7d512c8e4442a896d56505be3e78f1156f443465"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-qfc5-mcwq-26q8"
},
{
"type": "PACKAGE",
"url": "https://github.com/giampaolo/psutil"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/blob/master/HISTORY.rst#566"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/psutil/PYSEC-2019-41.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00018.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2P7QI7MOTZTFXQYU23CP3RAWXCERMOAS"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OLETTJYZL2SMBUI4Q2NGBMGPDPP54SRG"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4204-1"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Double Free in psutil",
"upstream": [
"GHSA-qfc5-mcwq-26q8",
"CVE-2019-18874",
"PYSEC-2019-41"
]
}
BREW-MAIGRET-CVE-2019-18874 (GHSA-QFC5-MCWQ-26Q8)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:11 – Updated: 2026-09-10 00:28 – Source website
VLAI
Summary
Double Free in psutil
Details
psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.
Severity
References
| URL | Type | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "psutil",
"resource_purl": "pkg:pypi/psutil@7.2.2",
"upstream_fixed_in": "5.6.6"
},
"package": {
"ecosystem": "Homebrew",
"name": "maigret",
"purl": "pkg:brew/maigret"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.6.4"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/psutil@7.2.2",
"name": "psutil",
"resource": "psutil",
"strategy": "registry",
"subject_version": "7.2.2"
}
]
},
"details": "psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.",
"id": "BREW-maigret-CVE-2019-18874",
"modified": "2026-09-10T00:28:25Z",
"published": "2026-08-13T17:11:30Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18874"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/pull/1616"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/commit/7d512c8e4442a896d56505be3e78f1156f443465"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-qfc5-mcwq-26q8"
},
{
"type": "PACKAGE",
"url": "https://github.com/giampaolo/psutil"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/blob/master/HISTORY.rst#566"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/psutil/PYSEC-2019-41.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00018.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2P7QI7MOTZTFXQYU23CP3RAWXCERMOAS"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OLETTJYZL2SMBUI4Q2NGBMGPDPP54SRG"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4204-1"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Double Free in psutil",
"upstream": [
"GHSA-qfc5-mcwq-26q8",
"CVE-2019-18874",
"PYSEC-2019-41"
]
}
BREW-MCPM-CVE-2019-18874 (GHSA-QFC5-MCWQ-26Q8)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:13 – Updated: 2026-09-10 19:56 – Source website
VLAI
Summary
Double Free in psutil
Details
psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.
Severity
References
| URL | Type | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "psutil",
"resource_purl": "pkg:pypi/psutil@7.2.2",
"upstream_fixed_in": "5.6.6"
},
"package": {
"ecosystem": "Homebrew",
"name": "mcpm",
"purl": "pkg:brew/mcpm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.15.0_2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/psutil@7.2.2",
"name": "psutil",
"resource": "psutil",
"strategy": "registry",
"subject_version": "7.2.2"
}
]
},
"details": "psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.",
"id": "BREW-mcpm-CVE-2019-18874",
"modified": "2026-09-10T19:56:14Z",
"published": "2026-08-13T17:13:14Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18874"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/pull/1616"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/commit/7d512c8e4442a896d56505be3e78f1156f443465"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-qfc5-mcwq-26q8"
},
{
"type": "PACKAGE",
"url": "https://github.com/giampaolo/psutil"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/blob/master/HISTORY.rst#566"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/psutil/PYSEC-2019-41.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00018.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2P7QI7MOTZTFXQYU23CP3RAWXCERMOAS"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OLETTJYZL2SMBUI4Q2NGBMGPDPP54SRG"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4204-1"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Double Free in psutil",
"upstream": [
"GHSA-qfc5-mcwq-26q8",
"CVE-2019-18874",
"PYSEC-2019-41"
]
}
BREW-MOLECULE-CVE-2019-18874 (GHSA-QFC5-MCWQ-26Q8)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:14 – Updated: 2026-09-10 00:32 – Source website
VLAI
Summary
Double Free in psutil
Details
psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.
Severity
References
| URL | Type | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "psutil",
"resource_purl": "pkg:pypi/psutil@7.2.2",
"upstream_fixed_in": "5.6.6"
},
"package": {
"ecosystem": "Homebrew",
"name": "molecule",
"purl": "pkg:brew/molecule"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "26.8.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/psutil@7.2.2",
"name": "psutil",
"resource": "psutil",
"strategy": "registry",
"subject_version": "7.2.2"
}
]
},
"details": "psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.",
"id": "BREW-molecule-CVE-2019-18874",
"modified": "2026-09-10T00:32:15Z",
"published": "2026-08-13T17:14:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18874"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/pull/1616"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/commit/7d512c8e4442a896d56505be3e78f1156f443465"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-qfc5-mcwq-26q8"
},
{
"type": "PACKAGE",
"url": "https://github.com/giampaolo/psutil"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/blob/master/HISTORY.rst#566"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/psutil/PYSEC-2019-41.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00018.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2P7QI7MOTZTFXQYU23CP3RAWXCERMOAS"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OLETTJYZL2SMBUI4Q2NGBMGPDPP54SRG"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4204-1"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Double Free in psutil",
"upstream": [
"GHSA-qfc5-mcwq-26q8",
"CVE-2019-18874",
"PYSEC-2019-41"
]
}
BREW-NEOVIM-REMOTE-CVE-2… (GHSA-QFC5-MCWQ-26Q8)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:17 – Updated: 2026-09-10 00:37 – Source website
VLAI
Summary
Double Free in psutil
Details
psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.
Severity
References
| URL | Type | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "psutil",
"resource_purl": "pkg:pypi/psutil@7.2.2",
"upstream_fixed_in": "5.6.6"
},
"package": {
"ecosystem": "Homebrew",
"name": "neovim-remote",
"purl": "pkg:brew/neovim-remote"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.5.1_5"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/psutil@7.2.2",
"name": "psutil",
"resource": "psutil",
"strategy": "registry",
"subject_version": "7.2.2"
}
]
},
"details": "psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.",
"id": "BREW-neovim-remote-CVE-2019-18874",
"modified": "2026-09-10T00:37:07Z",
"published": "2026-08-13T17:17:10Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18874"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/pull/1616"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/commit/7d512c8e4442a896d56505be3e78f1156f443465"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-qfc5-mcwq-26q8"
},
{
"type": "PACKAGE",
"url": "https://github.com/giampaolo/psutil"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/blob/master/HISTORY.rst#566"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/psutil/PYSEC-2019-41.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00018.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2P7QI7MOTZTFXQYU23CP3RAWXCERMOAS"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OLETTJYZL2SMBUI4Q2NGBMGPDPP54SRG"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4204-1"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Double Free in psutil",
"upstream": [
"GHSA-qfc5-mcwq-26q8",
"CVE-2019-18874",
"PYSEC-2019-41"
]
}
BREW-NETSHOW-CVE-2019-18874 (GHSA-QFC5-MCWQ-26Q8)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:17 – Updated: 2026-09-10 00:37 – Source website
VLAI
Summary
Double Free in psutil
Details
psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.
Severity
References
| URL | Type | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "psutil",
"resource_purl": "pkg:pypi/psutil@7.2.2",
"upstream_fixed_in": "5.6.6"
},
"package": {
"ecosystem": "Homebrew",
"name": "netshow",
"purl": "pkg:brew/netshow"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.2.2_1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/psutil@7.2.2",
"name": "psutil",
"resource": "psutil",
"strategy": "registry",
"subject_version": "7.2.2"
}
]
},
"details": "psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.",
"id": "BREW-netshow-CVE-2019-18874",
"modified": "2026-09-10T00:37:28Z",
"published": "2026-08-13T17:17:34Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18874"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/pull/1616"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/commit/7d512c8e4442a896d56505be3e78f1156f443465"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-qfc5-mcwq-26q8"
},
{
"type": "PACKAGE",
"url": "https://github.com/giampaolo/psutil"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/blob/master/HISTORY.rst#566"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/psutil/PYSEC-2019-41.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00018.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2P7QI7MOTZTFXQYU23CP3RAWXCERMOAS"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OLETTJYZL2SMBUI4Q2NGBMGPDPP54SRG"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4204-1"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Double Free in psutil",
"upstream": [
"GHSA-qfc5-mcwq-26q8",
"CVE-2019-18874",
"PYSEC-2019-41"
]
}
BREW-OPENSTACKCLIENT-CVE… (GHSA-QFC5-MCWQ-26Q8)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:24 – Updated: 2026-09-10 00:45 – Source website
VLAI
Summary
Double Free in psutil
Details
psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.
Severity
References
| URL | Type | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "psutil",
"resource_purl": "pkg:pypi/psutil@7.2.2",
"upstream_fixed_in": "5.6.6"
},
"package": {
"ecosystem": "Homebrew",
"name": "openstackclient",
"purl": "pkg:brew/openstackclient"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "10.2.1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/psutil@7.2.2",
"name": "psutil",
"resource": "psutil",
"strategy": "registry",
"subject_version": "7.2.2"
}
]
},
"details": "psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.",
"id": "BREW-openstackclient-CVE-2019-18874",
"modified": "2026-09-10T00:45:16Z",
"published": "2026-08-13T17:24:07Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18874"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/pull/1616"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/commit/7d512c8e4442a896d56505be3e78f1156f443465"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-qfc5-mcwq-26q8"
},
{
"type": "PACKAGE",
"url": "https://github.com/giampaolo/psutil"
},
{
"type": "WEB",
"url": "https://github.com/giampaolo/psutil/blob/master/HISTORY.rst#566"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/psutil/PYSEC-2019-41.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00018.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2P7QI7MOTZTFXQYU23CP3RAWXCERMOAS"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OLETTJYZL2SMBUI4Q2NGBMGPDPP54SRG"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4204-1"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Double Free in psutil",
"upstream": [
"GHSA-qfc5-mcwq-26q8",
"CVE-2019-18874",
"PYSEC-2019-41"
]
}
Loading…
Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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