high7.5
CVE-2026-5121
A flaw was found in libarchive.
Impact
A flaw was found in libarchive. On 32-bit systems, an integer overflow vulnerability exists in the zisofs block pointer allocation logic. A remote attacker can exploit this by providing a specially crafted ISO9660 image, which can lead to a heap buffer overflow. This could potentially allow for arbitrary code execution on the affected system.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Libarchive | Libarchive | All versions |
| Redhat | Hardened Images | All versions |
| Redhat | Openshift Container Platform | Version 4.0 |
| Redhat | Enterprise Linux | Versions 6.0, 7.0, 8.0, 9.0, 10.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://access.redhat.com/errata/RHSA-2026:10065
- https://access.redhat.com/errata/RHSA-2026:10097
- https://access.redhat.com/errata/RHSA-2026:11768
- https://access.redhat.com/errata/RHSA-2026:12071
- https://access.redhat.com/errata/RHSA-2026:12274
- https://access.redhat.com/errata/RHSA-2026:13812
- https://access.redhat.com/errata/RHSA-2026:14773
- https://access.redhat.com/errata/RHSA-2026:14937
- https://access.redhat.com/errata/RHSA-2026:15087
- https://access.redhat.com/errata/RHSA-2026:16008
- https://access.redhat.com/errata/RHSA-2026:16009
- https://access.redhat.com/errata/RHSA-2026:16030
- https://access.redhat.com/errata/RHSA-2026:16174
- https://access.redhat.com/errata/RHSA-2026:17596
- https://access.redhat.com/errata/RHSA-2026:19724
- https://access.redhat.com/errata/RHSA-2026:19725
- https://access.redhat.com/errata/RHSA-2026:20040
- https://access.redhat.com/errata/RHSA-2026:21690
- https://access.redhat.com/errata/RHSA-2026:25096
- https://access.redhat.com/errata/RHSA-2026:72502
- https://access.redhat.com/errata/RHSA-2026:82304
- https://access.redhat.com/errata/RHSA-2026:82322
- https://access.redhat.com/errata/RHSA-2026:82347
- https://access.redhat.com/errata/RHSA-2026:82354
- https://access.redhat.com/errata/RHSA-2026:82372