CVE-2026-42494 buffer overruns in libfsimage iso9660 handling

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. The directory and Rock Ridge / SUSP walk in libfsimage's iso9660 driver derives several lengths directly from attacker-controlled on-disk fields without validating them:...

CVE-2026-42494

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. The directory and Rock Ridge / SUSP walk in libfsimage's iso9660 driver derives several lengths directly from attacker-controlled on-disk fields without validating them:...

CVE-2026-42494

The Xen hypervisor is vulnerable to a buffer overrun in the libfsimage ISO9660 driver. Specifically, the directory loop assumes a good record length, deriving lengths directly from attacker-controlled on-disk fields without validation. Exploiting this vulnerability may allow an attacker to increa...

PT-2026-65467

This update for xen fixes the following issues: Update to version 4.20.3 jscPED-8907. Security issues fixed: - CVE-2026-42493: x86 shadow paging is deprecated bsc1271528. - CVE-2026-42494,CVE-2026-42495,CVE-2026-62423,CVE-2026-62424,CVE-2026-62425: buffer overruns in libfsimage iso9660 handling...