CVE-2026-5121 | libarchive on 32-bit ISO9660 Image Parser heap-based overflow

A vulnerability, which was classified as critical, has been found in libarchive on 32-bit. This vulnerability affects unknown code of the component ISO9660 Image Parser. Performing a manipulation results in heap-based buffer overflow.

This vulnerability is cataloged as CVE-2026-5121. It is possible to initiate the attack remotely. There is no exploit available.

It is recommended to apply a patch to fix this issue.