Description
bsdcpio in libarchive before 3.2.0 allows remote attackers to cause a denial of service (invalid read and crash) via crafted cpio 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+deb8u4 | DLA-1600-1 |
| Debian 7 | libarchive | 3.0.4-3+wheezy3 | DLA-617-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | libarchive | 3.1.2-11ubuntu0.16.04.1 | — |
| Ubuntu 14.04 LTS | libarchive | 3.1.2-7ubuntu2.2 | — |
Advisories 2
- DLA-617-1 libarchive - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1600-1 libarchive - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://github.com/libarchive/libarchive/issues/503
- https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html
- [debian-lts-announce] 20181129 [SECURITY] [DLA 1600-1] libarchive security update mailing-list
- [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
- 91298 vdb-entry