CVE catalog

CVE-2008-3196

byacc: CVE-2008-3196

Severity: Medium
Published: Jul 16, 2008, 6:41:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 1.45% · Oct 25, 2026

skeleton.c in yacc does not properly handle reduction of a rule with an empty right hand side, which allows context-dependent attackers to cause an out-of-bounds stack access when the yacc stack pointer points to the end of the stack.

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	byacc	sid	`1:2.0.20260126-1`	fixed
Debian	byacc	forky	`1:2.0.20260126-1`	fixed
Debian	byacc	trixie	`1:2.0.20241231-1`	fixed
Debian	byacc	bookworm	`1:2.0.20221106-1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	byacc	source	sid	`20070509-1.1`	low	Not reported	[491182]
Debian	byacc	source	forky	`20070509-1.1`	low	Not reported	[491182]
Debian	byacc	source	trixie	`20070509-1.1`	low	Not reported	[491182]
Debian	byacc	source	bookworm	`20070509-1.1`	low	Not reported	[491182]

[Debian bug #491182]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[byacc]Fixed
Details (2)
- 1:2.0.20221106-1 · amd64 · bookworm
  Fixed · Fixed: 20070509-1.1
  dsa · byacc · debian · bookworm; dsa · byacc · debian · 12
- 1:2.0.20221106-1 · arm64 · bookworm
  Fixed · Fixed: 20070509-1.1
  dsa · byacc · debian · bookworm; dsa · byacc · debian · 12

[Debian 13 (Trixie)]

[byacc]Fixed
Details (2)
- 1:2.0.20241231-1 · amd64 · trixie
  Fixed · Fixed: 20070509-1.1
  dsa · byacc · debian · 13
- 1:2.0.20241231-1 · arm64 · trixie
  Fixed · Fixed: 20070509-1.1
  dsa · byacc · debian · 13

Observed: Oct 23, 2026, 5:04:14 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]