DEBIAN-CVE-2026-5186
A weakness has been identified in Nothings stb up to 2.30. This impacts the function stbi__load_gif_main of the file stb_image.h of the component Multi-frame GIF File Handler. This manipulation causes double free. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
DEBIAN-CVE-2026-5186
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-2026-5186
libstb
Source reference: /affected/0/package/name
- Affected versions
- 0.0~git20220908.8b5f1f3+ds-1
Source reference:
/affected/0/versions0.0~git20230129.5736b15+ds-1Source reference:
/affected/0/versions0.0~git20230129.5736b15+ds-1.1Source reference:
/affected/0/versions0.0~git20230129.5736b15+ds-1.1~exp1Source reference:
/affected/0/versions0.0~git20230129.5736b15+ds-1.2Source reference:
/affected/0/versions0.0~git20240715.f7f20f39fe4f+ds-1Source reference:
/affected/0/versions0.0~git20241109.5c20573+ds-1Source reference:
/affected/0/versions0.0~git20250907.fede005+ds-1Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
libstb
Source reference: /affected/1/package/name
- Affected versions
- 0.0~git20241109.5c20573+ds-1
Source reference:
/affected/1/versions0.0~git20250907.fede005+ds-1Source reference:
/affected/1/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
libstb
Source reference: /affected/2/package/name
- Affected versions
- 0.0~git20241109.5c20573+ds-1
Source reference:
/affected/2/versions0.0~git20250907.fede005+ds-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": "libstb",
"purl": "pkg:deb/debian/libstb?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"0.0~git20220908.8b5f1f3+ds-1",
"0.0~git20230129.5736b15+ds-1",
"0.0~git20230129.5736b15+ds-1.1",
"0.0~git20230129.5736b15+ds-1.1~exp1",
"0.0~git20230129.5736b15+ds-1.2",
"0.0~git20240715.f7f20f39fe4f+ds-1",
"0.0~git20241109.5c20573+ds-1",
"0.0~git20250907.fede005+ds-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-5186.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libstb",
"purl": "pkg:deb/debian/libstb?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"0.0~git20241109.5c20573+ds-1",
"0.0~git20250907.fede005+ds-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-5186.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libstb",
"purl": "pkg:deb/debian/libstb?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"0.0~git20241109.5c20573+ds-1",
"0.0~git20250907.fede005+ds-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-5186.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #57764 · Revision 1
- Added to Heist Feed
- Publisher date