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Vulnerability from cleanstart
Published
2026-07-30 07:10
Modified
2026-07-30 09:38
Summary
Security fixes in curl 7.74.0-r0
Details
Package curl version 7.74.0-r0 fixes 3 vulnerabilities: CVE-2020-8284, CVE-2020-8285, CVE-2020-8286
References
| URL | Type | ||||
|---|---|---|---|---|---|
|
|||||
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"id": "CLEANSTART-2026-NC44965",
"modified": "2026-07-30T09:38:45Z",
"published": "2026-07-30T07:10:53Z",
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}
CVE-2020-8284 (GCVE-0-2020-8284)
Vulnerability from cvelistv5 – Published: 2020-12-14 19:38 – Updated: 2026-04-16 13:59
VLAI
EPSS
VEX
Summary
A malicious server can use the FTP PASV response to trick curl 7.73.0 and earlier into connecting back to a given IP address and port, and this way potentially make curl extract information about services that are otherwise private and not disclosed, for example doing port scanning and service banner extractions.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Information Disclosure (CWE-200)
Assigner
References
16 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | https://github.com/curl/curl |
Affected:
7.73.0 and earlier
|
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CVE-2020-8285 (GCVE-0-2020-8285)
Vulnerability from cvelistv5 – Published: 2020-12-14 19:39 – Updated: 2026-04-16 14:07
VLAI
EPSS
VEX
Summary
curl 7.21.0 to and including 7.73.0 is vulnerable to uncontrolled recursion due to a stack overflow issue in FTP wildcard match parsing.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion (CWE-674)
Assigner
References
20 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | https://github.com/curl/curl |
Affected:
libcurl 7.21.0 to and including 7.73.0
|
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CVE-2020-8286 (GCVE-0-2020-8286)
Vulnerability from cvelistv5 – Published: 2020-12-14 19:39 – Updated: 2024-11-15 15:30
VLAI
EPSS
VEX
Summary
curl 7.41.0 through 7.73.0 is vulnerable to an improper check for certificate revocation due to insufficient verification of the OCSP response.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation (CWE-295)
Assigner
References
19 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | https://github.com/curl/curl |
Affected:
7.41.0 to and including 7.73.0
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/"
},
{
"name": "[debian-lts-announce] 20201219 [SECURITY] [DLA 2500-1] curl security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html"
},
{
"name": "FEDORA-2020-7ab62c73bc",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/"
},
{
"name": "GLSA-202012-14",
"refsource": "GENTOO",
"url": "https://security.gentoo.org/glsa/202012-14"
},
{
"name": "DSA-4881",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2021/dsa-4881"
},
{
"name": "20210427 APPLE-SA-2021-04-26-3 Security Update 2021-002 Catalina",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2021/Apr/51"
},
{
"name": "20210427 APPLE-SA-2021-04-26-2 macOS Big Sur 11.3",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2021/Apr/50"
},
{
"name": "20210427 APPLE-SA-2021-04-26-4 Security Update 2021-003 Mojave",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2021/Apr/54"
},
{
"name": "https://www.oracle.com/security-alerts/cpuApr2021.html",
"refsource": "MISC",
"url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
},
{
"name": "https://security.netapp.com/advisory/ntap-20210122-0007/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20210122-0007/"
},
{
"name": "https://support.apple.com/kb/HT212325",
"refsource": "CONFIRM",
"url": "https://support.apple.com/kb/HT212325"
},
{
"name": "https://support.apple.com/kb/HT212326",
"refsource": "CONFIRM",
"url": "https://support.apple.com/kb/HT212326"
},
{
"name": "https://support.apple.com/kb/HT212327",
"refsource": "CONFIRM",
"url": "https://support.apple.com/kb/HT212327"
},
{
"name": "https://cert-portal.siemens.com/productcert/pdf/ssa-200951.pdf",
"refsource": "CONFIRM",
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-200951.pdf"
},
{
"name": "https://www.oracle.com//security-alerts/cpujul2021.html",
"refsource": "MISC",
"url": "https://www.oracle.com//security-alerts/cpujul2021.html"
},
{
"name": "https://www.oracle.com/security-alerts/cpuapr2022.html",
"refsource": "MISC",
"url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
},
{
"name": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf",
"refsource": "CONFIRM",
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
"assignerShortName": "hackerone",
"cveId": "CVE-2020-8286",
"datePublished": "2020-12-14T19:39:28.000Z",
"dateReserved": "2020-01-28T00:00:00.000Z",
"dateUpdated": "2024-11-15T15:30:03.757Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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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.
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