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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libarchive | 3.4.0-2 | — |
| Debian 13 | libarchive | 3.4.0-2 | — |
| Debian 12 | libarchive | 3.4.0-2 | — |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | libarchive | 3.4.2-r0 | — |
| Alpine v3.23 | libarchive | 3.4.2-r0 | — |
| Alpine v3.22 | libarchive | 3.4.2-r0 | — |
| Alpine v3.21 | libarchive | 3.4.2-r0 | — |
| Alpine v3.20 | libarchive | 3.4.2-r0 | — |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | libarchive | 3.4.2-r0 | — |
| Alpine v3.18 | libarchive | 3.4.2-r0 | — |
| Alpine v3.17 | libarchive | 3.4.2-r0 | — |
| Alpine v3.16 | libarchive | 3.4.2-r0 | — |
| Alpine v3.15 | libarchive | 3.4.2-r0 | — |
| Alpine v3.14 | libarchive | 3.4.2-r0 | — |
| Alpine v3.13 | libarchive | 3.4.2-r0 | — |
| Alpine v3.12 | libarchive | 3.4.2-r0 | — |
| Alpine v3.11 | libarchive | 3.4.2-r0 | — |
References
- https://github.com/libarchive/libarchive/pull/1326
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20459
- https://github.com/libarchive/libarchive/pull/1326/commits/94821008d6eea81e315c5881cdf739202961040a
- GLSA-202003-28 vendor-advisory
- USN-4293-1 vendor-advisory
- FEDORA-2020-94211d0a7d vendor-advisory
- FEDORA-2020-d8278fe24d vendor-advisory