UnratedFix available
giflib: Fix of 4 CVEs
Type: advisorySources: OSV
- CVE-2026-26740: fix heap OOB write when rewriting truncated GCE in EGifGCBToSavedExtension
- Products
- giflib, giflib-devel, giflib-utils
- Affected versions
- Not specified
- Fixed versions
- 5.2.1-9.el9.tuxcare.els4
- CVEs
- CVE-2026-26740
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:48 UTC · Revision 1
Source evidence
- CVE-2026-26740: fix heap OOB write when rewriting truncated GCE in EGifGCBToSavedExtension
osv:CLSA-2026-1779265764
giflib
Fixed versions: 5.2.1-9.el9.tuxcare.els4
giflib-devel
Fixed versions: 5.2.1-9.el9.tuxcare.els4
giflib-utils
Fixed versions: 5.2.1-9.el9.tuxcare.els4
Complete source record
{
"id": "2332c556213857dbfd53a85ef7347711e9deed87c4b2c86e5c71ac65c6a1a2e8",
"url": "https://osv.dev/vulnerability/CLSA-2026-1779265764",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "giflib: Fix of 4 CVEs",
"summary": "- CVE-2026-26740: fix heap OOB write when rewriting truncated GCE in EGifGCBToSavedExtension",
"evidence": "osv:CLSA-2026-1779265764",
"products": [
{
"name": {
"value": "giflib",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.2.1-9.el9.tuxcare.els4",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "giflib-devel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.2.1-9.el9.tuxcare.els4",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "giflib-utils",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.2.1-9.el9.tuxcare.els4",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1779265764",
"aliases": [
"CLSA-2026-1779265764"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.2.1-9.el9.tuxcare.els4"
}
]
}
],
"package": {
"name": "giflib",
"purl": "pkg:rpm/tuxcare/giflib?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1779265764.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.2.1-9.el9.tuxcare.els4"
}
]
}
],
"package": {
"name": "giflib-devel",
"purl": "pkg:rpm/tuxcare/giflib-devel?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1779265764.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.2.1-9.el9.tuxcare.els4"
}
]
}
],
"package": {
"name": "giflib-utils",
"purl": "pkg:rpm/tuxcare/giflib-utils?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1779265764.json"
}
}
],
"modified": "2026-10-26T09:31:05.092239034Z",
"provider": "osv",
"upstream": [
"CVE-2026-26740"
],
"references": [
"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1779265764.html",
"https://nvd.nist.gov/vuln/detail/CVE-2022-28506",
"https://nvd.nist.gov/vuln/detail/CVE-2023-48161",
"https://nvd.nist.gov/vuln/detail/CVE-2025-31344",
"https://nvd.nist.gov/vuln/detail/CVE-2026-26740"
]
},
"related_cves": [
{
"value": "CVE-2026-26740",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447420,
"published_at": "2026-10-21T07:07:41+00:00"
}