CVE-2026-5507
Session Cache Restore — Arbitrary Free via Deserialized Pointer
Summary
Session Cache Restore — Arbitrary Free via Deserialized Pointer
Original description
The description as published by the source.
When restoring a session from cache, a pointer from the serialized session data is used in a free operation without validation. An attacker who can poison the session cache could trigger an arbitrary free. Exploitation requires the ability to inject a crafted session into the cache and for the application to call specific session restore APIs.
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-5507 wolfssl
- Ubuntu UBUNTU-CVE-2026-5507 wolfssl
References
- advisory github.com
- advisory nvd.nist.gov
- patch github.com