CVE-2026-15028
CVE-2026-15028 · Libarchive: heap overflow oob read while parsing a tar archive contains a pax extended header
This page contains facts from public vulnerability sources. Check the original advisory before updating.
A flaw was found in libarchive. This vulnerability allows a remote attacker to trigger a heap overflow by providing a specially crafted tar archive. The issue occurs during the parsing of a PAX extended header containing a malformed SUN.holesdata sparse-file attribute. Successful exploitation could lead to a denial of service, making the system unavailable, or potentially allow for arbitrary code execution, giving the attacker control over the affected system.
CVSS 3.9 · Low · EPSS 0.2% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
red hat enterprise linux 10
- Versions
- ≥ 0:3.7.7-11.el10_2: Not affected (rpm)
No fix published
red hat cost management on-premise 1
- Versions
- ≥ 1791460851: Not affected (rpm)
No fix published
red hat hardened images
- Versions
- ≥ 3.8.8-2.1.hum1: Not affected (rpm)
No fix published
red hat enterprise linux 6
No fix published
red hat enterprise linux 7
No fix published
red hat enterprise linux 8
No fix published
red hat enterprise linux 9
No fix published
red hat openshift container platform 4
No fix published
libarchive Debian:12
- Versions
- 3.6.2-1
- 3.6.2-1+deb12u1
- 3.6.2-1+deb12u2
- 3.6.2-1+deb12u3
- 3.6.2-1+deb12u4
- Affected ranges
- ECOSYSTEM: < 3.6.2-1+deb12u5
Update to 3.6.2-1+deb12u5
libarchive Debian:13
- Versions
- 3.7.4-4
- 3.7.4-4+deb13u1
- 3.8.4-1
- 3.8.5-1
- 3.8.6-1
- 3.8.7-1
- 3.8.8-1
- 3.8.8-2
- 3.8.9-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
libarchive Debian:14
- Versions
- 3.7.4-4
- 3.8.4-1
- 3.8.5-1
- 3.8.6-1
- 3.8.7-1
- 3.8.8-1
- 3.8.8-2
- Affected ranges
- ECOSYSTEM: < 3.8.9-1
Update to 3.8.9-1
libarchive Ubuntu:26.04:LTS
- Versions
- 3.7.7-0ubuntu3
- 3.8.5-1ubuntu1
- 3.8.5-1ubuntu2
- 3.8.5-1ubuntu2.1
- Affected ranges
- ECOSYSTEM: < 3.8.5-1ubuntu2.2
Update to 3.8.5-1ubuntu2.2
Original sources
- https://access.redhat.com/errata/RHSA-2026:38279
- https://access.redhat.com/errata/RHSA-2026:69553
- https://access.redhat.com/errata/RHSA-2026:79357
- https://access.redhat.com/security/cve/CVE-2026-15028
- https://bugzilla.redhat.com/show_bug.cgi?id=2497970
- https://github.com/libarchive/libarchive/issues/3251
- https://github.com/libarchive/libarchive/pull/3253
- https://nvd.nist.gov/vuln/detail/CVE-2026-15028