Description
Multiple buffer overflows in the (1) heap_add_entry and (2) relocate_dir functions in archive_read_support_format_iso9660.c in libarchive through 2.8.5 allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted ISO9660 image.
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 | 2.8.5-5 | — |
| Debian 13 | libarchive | 2.8.5-5 | — |
| Debian 12 | libarchive | 2.8.5-5 | — |
| Debian 6.0 | libarchive | 2.8.4-1+squeeze1 | DSA-2413-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | libarchive +1 | 2.8.3-3.el6_1 | RHSA-2011:1507 |
Advisories 2
- RHSA-2011:1507 Red Hat Security Advisory: libarchive security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-2413-1 libarchive - buffer overflows Debian Security (DSA / DLA) · Mar 9, 2026
References
- 48034 third-party-advisory
- RHSA-2011:1507 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=705849
- http://code.google.com/p/libarchive/source/detail?r=3158
- DSA-2413 vendor-advisory
- http://support.apple.com/kb/HT5281
- APPLE-SA-2012-05-09-1 vendor-advisory