Debian/libarchive: medium 6.5
A flaw was found in libarchive. An Undefined Behavior vulnerability exists in the zisofs decompression logic, caused by improper validation of a field (`pz_log2_bs`) read from ISO9660 Rock Ridge exten
Action: Upgrade libarchive to 3.8.7-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.8.7-1 | - |
Fixed versions
| 3.8.7-1 |
Sources
- osv: DEBIAN-CVE-2026-4426#Debian:14/libarchive
- https://security-tracker.debian.org/tracker/CVE-2026-4426
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