usn-8582-1
Vulnerability from osv_ubuntu
Published
2026-07-21 17:41
Modified
2026-07-22 01:04
Summary
jbig2dec vulnerabilities
Details
Zeng Yunxiang and Song Jiaxuan discovered that jbig2dec had an out-of-bounds read vulnerability in its command-line tool. An attacker could possibly use this issue to cause jbig2dec to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. (CVE-2023-46361)
It was discovered that jbig2dec had an integer overflow in the jbig2_arith_iaid_ctx_new() function. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-38076)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2023-46361",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-38076",
"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": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "jbig2dec",
"binary_version": "0.19-3ubuntu0.1"
},
{
"binary_name": "libjbig2dec0",
"binary_version": "0.19-3ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "jbig2dec",
"purl": "pkg:deb/ubuntu/jbig2dec@0.19-3ubuntu0.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.19-3ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.19-3",
"0.19-3build1",
"0.19-3build2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-38076",
"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": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:24.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "jbig2dec",
"binary_version": "0.20-1ubuntu0.24.04.1"
},
{
"binary_name": "libjbig2dec0",
"binary_version": "0.20-1ubuntu0.24.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "jbig2dec",
"purl": "pkg:deb/ubuntu/jbig2dec@0.20-1ubuntu0.24.04.1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.20-1ubuntu0.24.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.19-3build2",
"0.20-1",
"0.20-1build2",
"0.20-1build3"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-38076",
"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": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:26.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "jbig2dec",
"binary_version": "0.20-1ubuntu0.26.04.1"
},
{
"binary_name": "libjbig2dec0",
"binary_version": "0.20-1ubuntu0.26.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "jbig2dec",
"purl": "pkg:deb/ubuntu/jbig2dec@0.20-1ubuntu0.26.04.1?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.20-1ubuntu0.26.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.20-1build3",
"0.20-1build4"
]
}
],
"aliases": [],
"details": "Zeng Yunxiang and Song Jiaxuan discovered that jbig2dec had an\nout-of-bounds read vulnerability in its command-line tool. An attacker\ncould possibly use this issue to cause jbig2dec to crash, resulting in a\ndenial of service. This issue only affected Ubuntu 22.04 LTS.\n(CVE-2023-46361)\n\nIt was discovered that jbig2dec had an integer overflow in the\njbig2_arith_iaid_ctx_new() function. An attacker could possibly use this\nissue to cause a denial of service. (CVE-2026-38076)",
"id": "USN-8582-1",
"modified": "2026-07-22T01:04:20Z",
"published": "2026-07-21T17:41:35Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-8582-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-46361"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-38076"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "jbig2dec vulnerabilities",
"upstream": [
"UBUNTU-CVE-2023-46361",
"UBUNTU-CVE-2026-38076"
]
}
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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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