Description
Integer overflow in the archive_read_format_tar_skip function in archive_read_support_format_tar.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (crash) via a crafted tar file.
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 | 3.2.0-2 | — |
| Debian 13 | libarchive | 3.2.0-2 | — |
| Debian 12 | libarchive | 3.2.0-2 | — |
| Debian 8 | libarchive | 3.1.2-11+deb8u2 | DSA-3657-1 |
| Debian 7 | libarchive | 3.0.4-3+wheezy2 | DLA-554-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | libarchive | 3.1.2-11ubuntu0.16.04.2 | USN-3033-1 |
| Ubuntu 14.04 LTS | libarchive | 3.1.2-7ubuntu2.3 | USN-3033-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | libarchive | 3.1.2-22.1 | SUSE-SU-2016:1909-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | libarchive | 3.1.2-22.1 | SUSE-SU-2016:1909-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | bsdtar | 3.2.2-2.1 | openSUSE-SU-2024:10127-1 |
Advisories 5
- USN-3033-1 libarchive vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-554-1 libarchive - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3657-1 libarchive - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10127-1 bsdtar-3.2.2-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1909-1 Security update for libarchive SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 91421 vdb-entry
- USN-3033-1 vendor-advisory
- https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html
- https://github.com/libarchive/libarchive/issues/548
- SUSE-SU-2016:1909 vendor-advisory
- [oss-security] 20160617 Many invalid memory access issues in libarchive mailing-list
- GLSA-201701-03 vendor-advisory
- [oss-security] 20160617 Re: Many invalid memory access issues in libarchive mailing-list
- DSA-3657 vendor-advisory