CVE catalog

CVE-2017-12966

asn1c: CVE-2017-12966

Severity: Medium · CVSS 6.5CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published: Aug 20, 2017, 4:29:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 1.08% · Oct 25, 2026

The asn1f_lookup_symbol_impl function in asn1fix_retrieve.c in libasn1fix.a in asn1c 0.9.28 allows remote attackers to cause a denial of service (segmentation fault) via a crafted .asn1 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	asn1c	sid	`0.9.28+dfsg-7`	vulnerable
Debian	asn1c	forky	`0.9.28+dfsg-7`	vulnerable
Debian	asn1c	trixie	`0.9.28+dfsg-5`	vulnerable
Debian	asn1c	bookworm	`0.9.28+dfsg-5`	vulnerable
Opensuse	asn1c	tumbleweed	`0.9.29-1.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	asn1c	source	sid	`(unfixed)`	unimportant	Not reported	Not reported
Debian	asn1c	source	forky	`(unfixed)`	unimportant	Not reported	Not reported
Debian	asn1c	source	trixie	`(unfixed)`	unimportant	Not reported	Not reported
Debian	asn1c	source	bookworm	`(unfixed)`	unimportant	Not reported	Not reported
Opensuse	asn1c	rpm	tumbleweed	`0.9.29-1.1`	Not reported	OPENSUSE-SU-2026:11106-1	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[asn1c]Affected
Details (2)
- 0.9.28+dfsg-5 · amd64 · bookworm
  Affected
  dsa · asn1c · debian · bookworm; dsa · asn1c · debian · 12
- 0.9.28+dfsg-5 · arm64 · bookworm
  Affected
  dsa · asn1c · debian · bookworm; dsa · asn1c · debian · 12
[asn1c-doc]Affected
Source package: [asn1c]
Details (2)
- 0.9.28+dfsg-5 · all · bookworm
  Affected
  dsa · asn1c · debian · bookworm; dsa · asn1c · debian · 12
- 0.9.28+dfsg-5 · all · bookworm
  Affected
  dsa · asn1c · debian · bookworm; dsa · asn1c · debian · 12

[Debian 13 (Trixie)]

[asn1c]Affected
Source package: [asn1c]
Details (2)
- 0.9.28+dfsg-5 · amd64 · trixie
  Affected
  dsa · asn1c · debian · 13
- 0.9.28+dfsg-5+b1 · arm64 · trixie
  Affected
  dsa · asn1c · debian · 13
[asn1c-doc]Affected
Source package: [asn1c]
Details (2)
- 0.9.28+dfsg-5 · all · trixie
  Affected
  dsa · asn1c · debian · 13
- 0.9.28+dfsg-5 · all · trixie
  Affected
  dsa · asn1c · debian · 13

[openSUSE Tumbleweed]

[asn1c]Fixed
Source package: [asn1c]
Details (1)
- 0.9.29-1.3 · x86_64 · tumbleweed
  Fixed · Fixed: 0.9.29-1.1
  dsa · asn1c · opensuse · tumbleweed

Observed: Oct 23, 2026, 5:26:15 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]