RHSA-2021:4235
Vulnerability from csaf_redhat - Published: 2021-11-09 18:46 - Updated: 2025-11-21 18:26A flaw was found in the Jasper tool’s jpc encoder. This flaw allows an attacker to craft input provided to Jasper, causing an arbitrary out-of-bounds write. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
jp2_decode in jp2/jp2_dec.c in libjasper in JasPer 2.0.24 has a heap-based buffer over-read when there is an invalid relationship between the number of channels and the number of image components.
A flaw was found in jasper before 2.0.25. An out of bounds read issue was found in jp2_decode function whic may lead to disclosure of information or program crash.
A flaw was found in jasper before 2.0.25. A null pointer dereference in jp2_decode in jp2_dec.c may lead to program crash and denial of service.
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"text": "JasPer is an implementation of Part 1 of the JPEG 2000 image compression standard.\n\nSecurity Fix(es):\n\n* jasper: Heap-based buffer overflow in cp_create() in jpc_enc.c (CVE-2020-27828)\n\n* jasper: Heap-based buffer over-read in jp2_decode() in jp2_dec.c (CVE-2021-3272)\n\n* jasper: Out of bounds read in jp2_decode() in jp2_dec.c (CVE-2021-26926)\n\n* jasper: NULL pointer dereference in jp2_decode() in jp2_dec.c (CVE-2021-26927)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.",
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"text": "A flaw was found in the Jasper tool\u2019s jpc encoder. This flaw allows an attacker to craft input provided to Jasper, causing an arbitrary out-of-bounds write. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.",
"title": "Vulnerability description"
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"text": "jasper: Heap-based buffer overflow in cp_create() in jpc_enc.c",
"title": "Vulnerability summary"
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{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
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{
"category": "impact",
"details": "Moderate"
}
],
"title": "jasper: Heap-based buffer overflow in cp_create() in jpc_enc.c"
},
{
"cve": "CVE-2021-3272",
"cwe": {
"id": "CWE-125",
"name": "Out-of-bounds Read"
},
"discovery_date": "2021-01-27T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1921325"
}
],
"notes": [
{
"category": "description",
"text": "jp2_decode in jp2/jp2_dec.c in libjasper in JasPer 2.0.24 has a heap-based buffer over-read when there is an invalid relationship between the number of channels and the number of image components.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "jasper: Heap-based buffer over-read in jp2_decode() in jp2_dec.c",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2021-3272"
},
{
"category": "external",
"summary": "RHBZ#1921325",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1921325"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2021-3272",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3272"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-3272",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3272"
}
],
"release_date": "2021-01-27T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2021-11-09T18:46:05+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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}
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{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
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{
"category": "impact",
"details": "Moderate"
}
],
"title": "jasper: Heap-based buffer over-read in jp2_decode() in jp2_dec.c"
},
{
"cve": "CVE-2021-26926",
"cwe": {
"id": "CWE-125",
"name": "Out-of-bounds Read"
},
"discovery_date": "2021-01-22T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1921426"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in jasper before 2.0.25. An out of bounds read issue was found in jp2_decode function whic may lead to disclosure of information or program crash.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "jasper: Out of bounds read in jp2_decode() in jp2_dec.c",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2021-26926"
},
{
"category": "external",
"summary": "RHBZ#1921426",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1921426"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2021-26926",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-26926"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-26926",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26926"
}
],
"release_date": "2021-01-29T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2021-11-09T18:46:05+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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}
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{
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"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
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{
"category": "impact",
"details": "Moderate"
}
],
"title": "jasper: Out of bounds read in jp2_decode() in jp2_dec.c"
},
{
"cve": "CVE-2021-26927",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"discovery_date": "2021-01-27T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1921428"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in jasper before 2.0.25. A null pointer dereference in jp2_decode in jp2_dec.c may lead to program crash and denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "jasper: NULL pointer dereference in jp2_decode() in jp2_dec.c",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2021-26927"
},
{
"category": "external",
"summary": "RHBZ#1921428",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1921428"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2021-26927",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-26927"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-26927",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26927"
}
],
"release_date": "2021-01-29T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2021-11-09T18:46:05+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2021:4235"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "jasper: NULL pointer dereference in jp2_decode() in jp2_dec.c"
}
]
}
Sightings
| Author | Source | Type | Date |
|---|
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.