CVE catalog

CVE-2015-8920

libarchive: CVE-2015-8920

Severity: Medium · CVSS 5.5CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published: Jan 1, 2015, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 1.92% · Oct 25, 2026

The _ar_read_header function in archive_read_support_format_ar.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (out-of-bounds stack read) via a crafted ar 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	libarchive	sid	`3.8.10-2`	fixed
Debian	libarchive	forky	`3.8.9-1`	fixed
Debian	libarchive	trixie	`3.7.4-4+deb13u1`	fixed
Debian	libarchive	bookworm	`3.6.2-1+deb12u4`	fixed
Debian	libarchive	bookworm-security	`3.6.2-1+deb12u5`	fixed
Ubuntu	libarchive	14.04	`3.1.2-5ubuntu1`	vulnerable
Ubuntu	libarchive	14.04	`3.1.2-7ubuntu1`	vulnerable
Ubuntu	libarchive	14.04	`3.1.2-7ubuntu2`	vulnerable
Ubuntu	libarchive	14.04	`3.1.2-7ubuntu2.1`	vulnerable
Ubuntu	libarchive	14.04	`3.1.2-7ubuntu2.2`	vulnerable
Ubuntu	libarchive	14.04	`3.1.2-7ubuntu2.3`	fixed
Ubuntu	libarchive	16.04	`3.1.2-11build1`	vulnerable
Ubuntu	libarchive	16.04	`3.1.2-11ubuntu0.16.04.1`	vulnerable
Ubuntu	libarchive	16.04	`3.1.2-11ubuntu0.16.04.2`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	libarchive	source	sid	`3.2.0-2`	not yet assigned	Not reported	Not reported
Debian	libarchive	source	forky	`3.2.0-2`	not yet assigned	Not reported	Not reported
Debian	libarchive	source	trixie	`3.2.0-2`	not yet assigned	Not reported	Not reported
Debian	libarchive	source	bookworm	`3.2.0-2`	not yet assigned	Not reported	Not reported
Ubuntu	libarchive	deb	14.04	`3.1.2-7ubuntu2.3`	Not reported	UBUNTU-CVE-2015-8920	Not reported
Ubuntu	libarchive	deb	16.04	`3.1.2-11ubuntu0.16.04.2`	Not reported	UBUNTU-CVE-2015-8920	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libarchive13]Fixed
Source package: [libarchive]
Details (4)
- 3.6.2-1+deb12u4 · amd64 · bookworm
  Fixed · Fixed: 3.2.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
- 3.6.2-1+deb12u4 · arm64 · bookworm
  Fixed · Fixed: 3.2.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
- 3.6.2-1+deb12u5 · amd64 · bookworm-security
  Fixed · Fixed: 3.2.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
- 3.6.2-1+deb12u5 · arm64 · bookworm-security
  Fixed · Fixed: 3.2.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
[libarchive-dev]Fixed
Source package: [libarchive]
Details (4)
- 3.6.2-1+deb12u4 · amd64 · bookworm
  Fixed · Fixed: 3.2.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
- 3.6.2-1+deb12u4 · arm64 · bookworm
  Fixed · Fixed: 3.2.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
- 3.6.2-1+deb12u5 · amd64 · bookworm-security
  Fixed · Fixed: 3.2.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
- 3.6.2-1+deb12u5 · arm64 · bookworm-security
  Fixed · Fixed: 3.2.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
[libarchive-tools]Fixed
Source package: [libarchive]
Details (4)
- 3.6.2-1+deb12u4 · amd64 · bookworm
  Fixed · Fixed: 3.2.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
- 3.6.2-1+deb12u4 · arm64 · bookworm
  Fixed · Fixed: 3.2.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
- 3.6.2-1+deb12u5 · amd64 · bookworm-security
  Fixed · Fixed: 3.2.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
- 3.6.2-1+deb12u5 · arm64 · bookworm-security
  Fixed · Fixed: 3.2.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12

[Debian 13 (Trixie)]

[libarchive13t64]Fixed
Source package: [libarchive]
Details (2)
- 3.7.4-4+deb13u1 · amd64 · trixie
  Fixed · Fixed: 3.2.0-2
  dsa · libarchive · debian · 13
- 3.7.4-4+deb13u1 · arm64 · trixie
  Fixed · Fixed: 3.2.0-2
  dsa · libarchive · debian · 13
[libarchive-dev]Fixed
Source package: [libarchive]
Details (2)
- 3.7.4-4+deb13u1 · amd64 · trixie
  Fixed · Fixed: 3.2.0-2
  dsa · libarchive · debian · 13
- 3.7.4-4+deb13u1 · arm64 · trixie
  Fixed · Fixed: 3.2.0-2
  dsa · libarchive · debian · 13
[libarchive-tools]Fixed
Source package: [libarchive]
Details (2)
- 3.7.4-4+deb13u1 · amd64 · trixie
  Fixed · Fixed: 3.2.0-2
  dsa · libarchive · debian · 13
- 3.7.4-4+deb13u1 · arm64 · trixie
  Fixed · Fixed: 3.2.0-2
  dsa · libarchive · debian · 13

Observed: Oct 23, 2026, 5:17:42 PM UTC

References

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