Description
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.
Published: 2026-04-09
Score: 4.1 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
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History

Thu, 09 Apr 2026 22:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Session Cache Restore — Arbitrary Free via Deserialized Pointer
Weaknesses CWE-502
References
Metrics cvssV4_0

{'score': 4.1, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

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cve-icon MITRE

Status: PUBLISHED

Assigner: wolfSSL

Published:

Updated: 2026-04-09T22:18:44.067Z

Reserved: 2026-04-03T16:40:00.883Z

Link: CVE-2026-5507

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-04-09T23:17:01.543

Modified: 2026-04-09T23:17:01.543

Link: CVE-2026-5507

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses