Description
libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block and process_block).
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 | 3.6.0-1 | — |
| Debian 13 | libarchive | 3.6.0-1 | — |
| Debian 12 | libarchive | 3.6.0-1 | — |
| Debian 11 | libarchive | 3.4.3-2+deb11u2 | DLA-3950-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | libarchive | 3.5.2-1ubuntu1 | — |
| Ubuntu 20.04 LTS | libarchive | 3.4.0-2ubuntu1.1 | USN-5291-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | libarchive | 3.5.1-150400.3.3.1 | SUSE-SU-2022:1930-1 |
| SLES 15 SP3 | libarchive | 3.4.2-150200.4.3.1 | SUSE-SU-2022:0944-1 |
| SLES 15 SP2 | libarchive | 3.4.2-150200.4.3.1 | SUSE-SU-2022:0944-2 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP2 | libarchive | 3.4.2-150200.4.3.1 | SUSE-SU-2022:0944-2 |
| SLE Real Time 15 SP2 | libarchive | 3.4.2-150200.4.3.1 | SUSE-SU-2022:0944-1 |
| SLE HPC 15 SP2 | libarchive | 3.4.2-150200.4.3.1 | SUSE-SU-2022:0944-2 |
| SUSE Enterprise Storage 7 | libarchive | 3.4.2-150200.4.3.1 | SUSE-SU-2022:0944-2 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | bsdtar | 3.6.0-1.1 | openSUSE-SU-2024:11894-1 |
| openSUSE Leap 15.4 | libarchive | 3.5.1-150400.3.3.1 | SUSE-SU-2022:1930-1 |
| openSUSE Leap 15.3 | libarchive | 3.4.2-150200.4.3.1 | openSUSE-SU-2022:0944-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | libarchive | 3.6.0-r0 | — |
| Alpine v3.23 | libarchive | 3.6.0-r0 | — |
| Alpine v3.22 | libarchive | 3.6.0-r0 | — |
| Alpine v3.21 | libarchive | 3.6.0-r0 | — |
| Alpine v3.20 | libarchive | 3.6.0-r0 | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | libarchive | 3.6.0-r0 | — |
| Alpine v3.18 | libarchive | 3.6.0-r0 | — |
| Alpine v3.17 | libarchive | 3.6.0-r0 | — |
| Alpine v3.16 | libarchive | 3.6.0-r0 | — |
| Alpine v3.15 | libarchive | 3.6.0-r0 | — |
| Alpine v3.14 | libarchive | 3.5.3-r0 | — |
| Alpine v3.13 | libarchive | 3.5.3-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | bsdcat +4 | 3.5.3-2.amzn2023.0.2 | ALAS2023-2023-071 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | libarchive | 3.6.0-1 | — |
Advisories 12
- WID-SEC-2023-1350 Splunk Splunk Enterprise: Mehrere Schwachstellen in Komponenten von Drittanbietern BSI CERT-Bund (WID) · Jul 1, 2026
- USN-5291-1 libarchive vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-3950-1 libarchive - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2022:1930-1 Security update for libarchive SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11894-1 bsdtar-3.6.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:0944-1 Security update for libarchive SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0944-2 Security update for libarchive SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0944-1 Security update for libarchive SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-2229 Splunk Splunk Enterprise: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 18, 2025
- WID-SEC-2022-0045 libarchive: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Nov 11, 2024
- WID-SEC-2022-1056 Apple macOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 21, 2023
- ALAS2023-2023-071 Moderate: libarchive security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 22, 2023
References
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375
- FEDORA-2022-9bb794c5f5 vendor-advisory
- https://support.apple.com/kb/HT213183
- https://support.apple.com/kb/HT213182
- https://support.apple.com/kb/HT213193
- 20220314 APPLE-SA-2022-03-14-2 watchOS 8.5 mailing-list
- 20220314 APPLE-SA-2022-03-14-4 macOS Monterey 12.3 mailing-list
- 20220314 APPLE-SA-2022-03-14-1 iOS 15.4 and iPadOS 15.4 mailing-list
- GLSA-202208-26 vendor-advisory