CVE catalog

CVE-2026-79515

An out-of-bounds read in the stbtt_GetGlyphShape component of nothings stb commit 31c1ad3 allows attackers to cause a Denial of Service (DoS) via sending a crafted TTF file.

[CVE catalog]

Severity: Medium · CVSS 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published: Sep 9, 2026, 12:00:00 AM UTC
Updated: Sep 9, 2026, 9:17:04 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.40% · Oct 25, 2026

An out-of-bounds read in the stbtt_GetGlyphShape component of nothings stb commit 31c1ad3 allows attackers to cause a Denial of Service (DoS) via sending a crafted TTF file.

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

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 · bookworm
  Affected
  nvd · libstb · debian · bookworm; nvd · libstb · debian · 12
- 0.0~git20220908.8b5f1f3+ds-1 · arm64 · bookworm
  Affected
  nvd · libstb · debian · bookworm; nvd · libstb · debian · 12
[libstb-dev]Affected
Source package: [libstb]
Details (2)
- 0.0~git20220908.8b5f1f3+ds-1 · amd64 · bookworm
  Affected
  nvd · libstb · debian · bookworm; nvd · libstb · debian · 12
- 0.0~git20220908.8b5f1f3+ds-1 · arm64 · bookworm
  Affected
  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 · trixie
  Affected
  nvd · libstb · debian · 13
- 0.0~git20241109.5c20573+ds-1 · arm64 · trixie
  Affected
  nvd · libstb · debian · 13
[libstb-dev]Affected
Source package: [libstb]
Details (2)
- 0.0~git20241109.5c20573+ds-1 · amd64 · trixie
  Affected
  nvd · libstb · debian · 13
- 0.0~git20241109.5c20573+ds-1 · arm64 · trixie
  Affected
  nvd · libstb · debian · 13

Observed: Oct 23, 2026, 9:28:27 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]