UnratedFix available
tcc — security advisory
Tiny C Compiler (TCC) 0.9.23 (aka TinyCC) evaluates the "i>sizeof(int)" expression to false when i equals -1, which might introduce integer overflow vulnerabilities into applications that could be exploited by context-dependent attackers.
- Products
- tcc
- Affected versions
- Not specified
- Fixed versions
- 0.9.24~cvs20070502-1
- CVEs
- CVE-2006-0635
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 20:12 UTC · Revision 1
Source evidence
Tiny C Compiler (TCC) 0.9.23 (aka TinyCC) evaluates the "i>sizeof(int)" expression to false when i equals -1, which might introduce integer overflow vulnerabilities into applications that could be exploited by context-dependent attackers.
osv:DEBIAN-CVE-2006-0635
tcc
Fixed versions: 0.9.24~cvs20070502-1
tcc
Fixed versions: 0.9.24~cvs20070502-1
Complete source record
{
"id": "b8958009d94ec968482fb87edbcbb1d48fb070db4d5af4a0fe56bc40efbcb2fb",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2006-0635",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2006-0635",
"summary": "Tiny C Compiler (TCC) 0.9.23 (aka TinyCC) evaluates the \"i>sizeof(int)\" expression to false when i equals -1, which might introduce integer overflow vulnerabilities into applications that could be exploited by context-dependent attackers.",
"evidence": "osv:DEBIAN-CVE-2006-0635",
"products": [
{
"name": {
"value": "tcc",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.9.24~cvs20070502-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tcc",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.9.24~cvs20070502-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2006-0635",
"aliases": [
"DEBIAN-CVE-2006-0635"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.9.24~cvs20070502-1"
}
]
}
],
"package": {
"name": "tcc",
"purl": "pkg:deb/debian/tcc?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-0635.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.9.24~cvs20070502-1"
}
]
}
],
"package": {
"name": "tcc",
"purl": "pkg:deb/debian/tcc?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-0635.json"
},
"ecosystem_specific": {
"urgency": "low"
}
}
],
"modified": "2026-10-22T23:47:23.183402162Z",
"provider": "osv",
"upstream": [
"CVE-2006-0635"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2006-0635"
]
},
"related_cves": [
{
"value": "CVE-2006-0635",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 410389,
"published_at": "2006-02-10T11:02:00+00:00"
}