CVE catalog
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
- Severity
- Medium · CVSS 5.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.11% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libstb | sid | 0.0~git20250907.fede005+ds-1 | vulnerable |
| Debian | libstb | forky | 0.0~git20250907.fede005+ds-1 | vulnerable |
| Debian | libstb | trixie | 0.0~git20241109.5c20573+ds-1 | vulnerable |
| Debian | libstb | bookworm | 0.0~git20220908.8b5f1f3+ds-1 | vulnerable |
| Cpe | libstb | Not reported | Not reported | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libstb | source | sid | (unfixed) | not yet assigned | Not reported | [1147722] |
| Debian | libstb | source | forky | (unfixed) | not yet assigned | Not reported | [1147722] |
| Debian | libstb | source | trixie | (unfixed) | not yet assigned | Not reported | [1147722] |
| Debian | libstb | source | bookworm | (unfixed) | not yet assigned | Not reported | [1147722] |
Notes
[trixie] libstb: Minor issue [bookworm] libstb: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libstb0]Affected
Source package: [libstb]
Details (2)
0.0~git20220908.8b5f1f3+ds-1· amd64 · bookwormAffected
nvd · libstb · debian · bookworm; nvd · libstb · debian · 12
0.0~git20220908.8b5f1f3+ds-1· arm64 · bookwormAffected
nvd · libstb · debian · bookworm; nvd · libstb · debian · 12
- [libstb-dev]Affected
Source package: [libstb]
Details (2)
0.0~git20220908.8b5f1f3+ds-1· amd64 · bookwormAffected
nvd · libstb · debian · bookworm; nvd · libstb · debian · 12
0.0~git20220908.8b5f1f3+ds-1· arm64 · bookwormAffected
nvd · libstb · debian · bookworm; nvd · libstb · debian · 12
[Debian 13 (Trixie)]
- [libstb0t64]Affected
Source package: [libstb]
Details (2)
0.0~git20241109.5c20573+ds-1· amd64 · trixieAffected
nvd · libstb · debian · 13
0.0~git20241109.5c20573+ds-1· arm64 · trixieAffected
nvd · libstb · debian · 13
- [libstb-dev]Affected
Source package: [libstb]
Details (2)
0.0~git20241109.5c20573+ds-1· amd64 · trixieAffected
nvd · libstb · debian · 13
0.0~git20241109.5c20573+ds-1· arm64 · trixieAffected
nvd · libstb · debian · 13
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-5186]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-5186]
- [https://security-tracker.debian.org/tracker/CVE-2026-5186]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5186.json]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]