Double Free in Gnu Gnutls

CVE-2025-32988

A flaw was found in GnuTLS. A double-free vulnerability exists in GnuTLS due to incorrect ownership handling in the export logic of Subject Alternative Name (SAN) entries containing an otherName. If the type-id OID is invalid or malformed…

Vulnerability class: Double Free

EPSS: 0.002 (45.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-32988?
CVE-2025-32988 is a medium-severity vulnerability in Gnu Gnutls, classified under Double Free. CVSS score: 6.5/10. Published 2025-07-10.
How severe is CVE-2025-32988?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2025-32988 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.