UnratedFix available
xemacs21 — security advisory
vcdiff in Emacs 20.7 to 22.1.50, when used with SCCS, allows local users to overwrite arbitrary files via a symlink attack on temporary files.
- Products
- xemacs21
- Affected versions
- Not specified
- Fixed versions
- 21.4.21-4
- CVEs
- CVE-2008-1694
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 22:35 UTC · Revision 1
Source evidence
vcdiff in Emacs 20.7 to 22.1.50, when used with SCCS, allows local users to overwrite arbitrary files via a symlink attack on temporary files.
osv:DEBIAN-CVE-2008-1694
xemacs21
Fixed versions: 21.4.21-4
Complete source record
{
"id": "aed4f87379b8cf9a55a27cf665a9a6149a88fbd50e15c4be80559e040c3df49e",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2008-1694",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2008-1694",
"summary": "vcdiff in Emacs 20.7 to 22.1.50, when used with SCCS, allows local users to overwrite arbitrary files via a symlink attack on temporary files.",
"evidence": "osv:DEBIAN-CVE-2008-1694",
"products": [
{
"name": {
"value": "xemacs21",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "21.4.21-4",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2008-1694",
"aliases": [
"DEBIAN-CVE-2008-1694"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "21.4.21-4"
}
]
}
],
"package": {
"name": "xemacs21",
"purl": "pkg:deb/debian/xemacs21?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2008-1694.json"
},
"ecosystem_specific": {
"urgency": "low"
}
}
],
"modified": "2026-10-23T17:47:25.208939613Z",
"provider": "osv",
"upstream": [
"CVE-2008-1694"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2008-1694"
]
},
"related_cves": [
{
"value": "CVE-2008-1694",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 416836,
"published_at": "2008-04-22T04:41:00+00:00"
}