medium4.0
CVE-2026-5507
When restoring a session from cache, a pointer from the serialized session data is used in a free operation without validation.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Wolfssl | Wolfssl | through 5.9.0 |