CVE catalog
CVE-2026-5314
A vulnerability was found in Nothings stb up to 1.26. Impacted is the function stbtt_InitFont_internal in the library stb_truetype.h of the component TTF File Handler. Performing a manipulation result
- Severity
- Medium · CVSS 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.66% · Oct 25, 2026
A vulnerability was found in Nothings stb up to 1.26. Impacted is the function stbtt_InitFont_internal in the library stb_truetype.h of the component TTF File Handler. Performing a manipulation results in out-of-bounds read. Remote exploitation of the attack is possible. The exploit has been made public and could be used. 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 |
| Cpe | stb_truetype.h | Not reported | Not reported | unknown |
| Cpe | stb_truetype.h | Not reported | Not reported | unknown |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libstb | source | sid | (unfixed) | unimportant | Not reported | Not reported |
| Debian | libstb | source | forky | (unfixed) | unimportant | Not reported | Not reported |
| Debian | libstb | source | trixie | (unfixed) | unimportant | Not reported | Not reported |
| Debian | libstb | source | bookworm | (unfixed) | unimportant | Not reported | Not reported |
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://gist.github.com/d0razi/cb31a92f3205a4373f19b7da25946848]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-5314]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-5314]
- [https://security-tracker.debian.org/tracker/CVE-2026-5314]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5314.json]
- [https://vuldb.com/submit/780558]
- [https://vuldb.com/vuln/354646]
- [https://vuldb.com/vuln/354646/cti]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]