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VULNERABILITIES

CVE-2026-5507 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4 MEDIUMVector:CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/wolfSSL/wolfssl/pull/10088 [email protected]Issue TrackingPatch

Weakness Enumeration

CWE-IDCWE NameSource
CWE-502Deserialization of Untrusted Data[email protected]

Affected Products

ProductVersions
wolfssl wolfssl
<= 5.9.0

CPE

  • cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-5507
NVD Published Date:
Apr 9, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-5507 Details - Not Deferred