| Name | CVE-2020-9308 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 951759 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libarchive (PTS) | jessie, jessie (lts) | 3.1.2-11+deb8u12 | fixed |
| stretch (security) | 3.2.2-2+deb9u3 | fixed |
| stretch (lts), stretch | 3.2.2-2+deb9u5 | fixed |
| buster, buster (lts) | 3.3.3-4+deb10u4 | fixed |
| buster (security) | 3.3.3-4+deb10u3 | fixed |
| bullseye | 3.4.3-2+deb11u1 | fixed |
| bullseye (security) | 3.4.3-2+deb11u2 | fixed |
| bookworm | 3.6.2-1+deb12u1 | fixed |
| bookworm (security) | 3.6.2-1+deb12u2 | fixed |
| sid, trixie | 3.7.4-1.1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[buster] - libarchive <not-affected> (rar5 support added in 3.4.0)
[stretch] - libarchive <not-affected> (rar5 support added in 3.4.0)
[jessie] - libarchive <not-affected> (rar5 support added in 3.4.0)
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20459
https://github.com/libarchive/libarchive/pull/1326
https://github.com/libarchive/libarchive/commit/94821008d6eea81e315c5881cdf739202961040a