What is CVE-2023-25566?

CVE-2023-25566 is a high-severity vulnerability in Gssapi Gss-ntlmssp, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2023-02-14.

How severe is CVE-2023-25566?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Gssapi Gss-ntlmssp

CVE-2023-25566

GSS-NTLMSSP is a mechglue plugin for the GSSAPI library that implements NTLM authentication. Prior to version 1.2.0, a memory leak can be triggered when parsing usernames which can trigger a denial-of-service. The domain portion of a usern…

EPSS: 0.004 (63.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Gssapi Gss-ntlmssp — versions < 1.2.0

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

https://github.com/gssapi/gss-ntlmssp/security/advisories/GHSA-mfm4-6g58-jw74 (x_refsource_CONFIRM)
https://github.com/gssapi/gss-ntlmssp/commit/8660fb16474054e692a596e9c79670cd4d3954f4 (x_refsource_MISC)
https://github.com/gssapi/gss-ntlmssp/releases/tag/v1.2.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2023-25566?: CVE-2023-25566 is a high-severity vulnerability in Gssapi Gss-ntlmssp, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2023-02-14.
How severe is CVE-2023-25566?: High severity. CVSS v3 base score is 7.5 out of 10.