DEBIAN-CVE-2026-40468
Integer overflow vulnerability has been found in "builtin.c" program file of gawk. This issue may lead to memory exhaustion on the hosting operating system and could be used to overwrite gawk heap metadata and objects with attacker-controlled bytes. It affects gawk in versions 5.4.0 and below.
DEBIAN-CVE-2026-40468
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:DEBIAN-CVE-2026-40468
gawk
Source reference: /affected/0/package/name
- Affected versions
- 1:5.2.1-2
Source reference:
/affected/0/versions1:5.3.2-1Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
gawk
Source reference: /affected/1/package/name
- Affected versions
- 1:5.2.1-2
Source reference:
/affected/1/versions1:5.3.2-1Source reference:
/affected/1/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
gawk
Source reference: /affected/2/package/name
- Affected versions
- 1:5.2.1-2
Source reference:
/affected/2/versions1:5.3.2-1Source reference:
/affected/2/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gawk",
"purl": "pkg:deb/debian/gawk?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"1:5.2.1-2",
"1:5.3.2-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40468.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gawk",
"purl": "pkg:deb/debian/gawk?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1:5.2.1-2",
"1:5.3.2-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40468.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gawk",
"purl": "pkg:deb/debian/gawk?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1:5.2.1-2",
"1:5.3.2-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40468.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #56479 · Revision 1
- Added to Heist Feed
- Publisher date