UnratedFix available
libxslt — security advisory
libxslt before 1.1.28 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via an (1) empty match attribute in a XSL key to the xsltAddKey function in keys.c or (2) uninitialized variable to the xsltDocumentFunction function in functions.c.
- Products
- libxslt
- Affected versions
- Not specified
- Fixed versions
- 1.1.26-14.1
- CVEs
- CVE-2012-6139
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 23:17 UTC · Revision 1
Source evidence
libxslt before 1.1.28 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via an (1) empty match attribute in a XSL key to the xsltAddKey function in keys.c or (2) uninitialized variable to the xsltDocumentFunction function in functions.c.
osv:DEBIAN-CVE-2012-6139
libxslt
Fixed versions: 1.1.26-14.1
libxslt
Fixed versions: 1.1.26-14.1
libxslt
Fixed versions: 1.1.26-14.1
Complete source record
{
"id": "284955edee99491086d770a2a4b4c6cbd47f21d8c39ad3162b4f648e27fd091d",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2012-6139",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2012-6139",
"summary": "libxslt before 1.1.28 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via an (1) empty match attribute in a XSL key to the xsltAddKey function in keys.c or (2) uninitialized variable to the xsltDocumentFunction function in functions.c.",
"evidence": "osv:DEBIAN-CVE-2012-6139",
"products": [
{
"name": {
"value": "libxslt",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.1.26-14.1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libxslt",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.1.26-14.1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libxslt",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.1.26-14.1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2012-6139",
"aliases": [
"DEBIAN-CVE-2012-6139"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.26-14.1"
}
]
}
],
"package": {
"name": "libxslt",
"purl": "pkg:deb/debian/libxslt?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-6139.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.26-14.1"
}
]
}
],
"package": {
"name": "libxslt",
"purl": "pkg:deb/debian/libxslt?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-6139.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.26-14.1"
}
]
}
],
"package": {
"name": "libxslt",
"purl": "pkg:deb/debian/libxslt?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-6139.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T17:47:39.700758353Z",
"provider": "osv",
"upstream": [
"CVE-2012-6139"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2012-6139"
]
},
"related_cves": [
{
"value": "CVE-2012-6139",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 418198,
"published_at": "2013-04-12T22:55:01.007+00:00"
}