CVE-2026-5507
Medium · 4.0CVSS
4.0
EPSS
0.2%
Published
Apr 9, 2026
CISA due date
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The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
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