CVE catalog

CVE-2020-9308

libarchive: CVE-2020-9308

Severity: Medium
Published: Feb 20, 2020, 7:15:12 AM UTC
Source: [NVD] · [CVE record]
EPSS: 2.25% · Oct 25, 2026

archive_read_support_format_rar5.c in libarchive before 3.4.2 attempts to unpack a RAR5 file with an invalid or corrupted header (such as a header size of zero), leading to a SIGSEGV or possibly unspecified other impact.

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
Alpine	libarchive	3.11	`3.4.2-r0`	fixed
Alpine	libarchive	3.12	`3.4.2-r0`	fixed
Alpine	libarchive	3.13	`3.4.2-r0`	fixed
Alpine	libarchive	3.14	`3.4.2-r0`	fixed
Alpine	libarchive	3.15	`3.4.2-r0`	fixed
Alpine	libarchive	3.16	`3.4.2-r0`	fixed
Alpine	libarchive	3.17	`3.4.2-r0`	fixed
Alpine	libarchive	3.18	`3.4.2-r0`	fixed
Alpine	libarchive	3.19	`3.4.2-r0`	fixed
Alpine	libarchive	3.20	`3.4.2-r0`	fixed
Alpine	libarchive	3.21	`3.4.2-r0`	fixed
Alpine	libarchive	3.22	`3.4.2-r0`	fixed
Alpine	libarchive	3.23	`3.4.2-r0`	fixed
Alpine	libarchive	3.24	`3.4.2-r0`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	libarchive	source	sid	`3.4.0-2`	not yet assigned	Not reported	[951759]
Debian	libarchive	source	forky	`3.4.0-2`	not yet assigned	Not reported	[951759]
Debian	libarchive	source	trixie	`3.4.0-2`	not yet assigned	Not reported	[951759]
Debian	libarchive	source	bookworm	`3.4.0-2`	not yet assigned	Not reported	[951759]
Alpine	libarchive	apk	3.11	`3.4.2-r0`	Not reported	ALPINE-CVE-2020-9308	Not reported
Alpine	libarchive	apk	3.12	`3.4.2-r0`	Not reported	ALPINE-CVE-2020-9308	Not reported
Alpine	libarchive	apk	3.13	`3.4.2-r0`	Not reported	ALPINE-CVE-2020-9308	Not reported
Alpine	libarchive	apk	3.14	`3.4.2-r0`	Not reported	ALPINE-CVE-2020-9308	Not reported
Alpine	libarchive	apk	3.15	`3.4.2-r0`	Not reported	ALPINE-CVE-2020-9308	Not reported
Alpine	libarchive	apk	3.16	`3.4.2-r0`	Not reported	ALPINE-CVE-2020-9308	Not reported
Alpine	libarchive	apk	3.17	`3.4.2-r0`	Not reported	ALPINE-CVE-2020-9308	Not reported
Alpine	libarchive	apk	3.18	`3.4.2-r0`	Not reported	ALPINE-CVE-2020-9308	Not reported
Alpine	libarchive	apk	3.19	`3.4.2-r0`	Not reported	ALPINE-CVE-2020-9308	Not reported
Alpine	libarchive	apk	3.20	`3.4.2-r0`	Not reported	ALPINE-CVE-2020-9308	Not reported
Alpine	libarchive	apk	3.21	`3.4.2-r0`	Not reported	ALPINE-CVE-2020-9308	Not reported
Alpine	libarchive	apk	3.22	`3.4.2-r0`	Not reported	ALPINE-CVE-2020-9308	Not reported
Alpine	libarchive	apk	3.23	`3.4.2-r0`	Not reported	ALPINE-CVE-2020-9308	Not reported
Alpine	libarchive	apk	3.24	`3.4.2-r0`	Not reported	ALPINE-CVE-2020-9308	Not reported

[Debian bug #951759]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libarchive13]Fixed
Source package: [libarchive]
Details (4)
- 3.6.2-1+deb12u4 · amd64 · bookworm
  Fixed · Fixed: 3.4.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
- 3.6.2-1+deb12u4 · arm64 · bookworm
  Fixed · Fixed: 3.4.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
- 3.6.2-1+deb12u5 · amd64 · bookworm-security
  Fixed · Fixed: 3.4.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
- 3.6.2-1+deb12u5 · arm64 · bookworm-security
  Fixed · Fixed: 3.4.0-2
  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: 3.4.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
- 3.6.2-1+deb12u4 · arm64 · bookworm
  Fixed · Fixed: 3.4.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
- 3.6.2-1+deb12u5 · amd64 · bookworm-security
  Fixed · Fixed: 3.4.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
- 3.6.2-1+deb12u5 · arm64 · bookworm-security
  Fixed · Fixed: 3.4.0-2
  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: 3.4.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
- 3.6.2-1+deb12u4 · arm64 · bookworm
  Fixed · Fixed: 3.4.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
- 3.6.2-1+deb12u5 · amd64 · bookworm-security
  Fixed · Fixed: 3.4.0-2
  dsa · libarchive · debian · bookworm; dsa · libarchive · debian · 12
- 3.6.2-1+deb12u5 · arm64 · bookworm-security
  Fixed · Fixed: 3.4.0-2
  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: 3.4.0-2
  dsa · libarchive · debian · 13
- 3.7.4-4+deb13u1 · arm64 · trixie
  Fixed · Fixed: 3.4.0-2
  dsa · libarchive · debian · 13
[libarchive-dev]Fixed
Source package: [libarchive]
Details (2)
- 3.7.4-4+deb13u1 · amd64 · trixie
  Fixed · Fixed: 3.4.0-2
  dsa · libarchive · debian · 13
- 3.7.4-4+deb13u1 · arm64 · trixie
  Fixed · Fixed: 3.4.0-2
  dsa · libarchive · debian · 13
[libarchive-tools]Fixed
Source package: [libarchive]
Details (2)
- 3.7.4-4+deb13u1 · amd64 · trixie
  Fixed · Fixed: 3.4.0-2
  dsa · libarchive · debian · 13
- 3.7.4-4+deb13u1 · arm64 · trixie
  Fixed · Fixed: 3.4.0-2
  dsa · libarchive · debian · 13

Observed: Oct 23, 2026, 5:53:39 PM UTC

References

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