Buffer overflow in Gnu Gnutls
CVE-2025-32990
A heap-buffer-overflow (off-by-one) flaw was found in the GnuTLS software in the template parsing logic within the certtool utility. When it reads certain settings from a template file, it allows an attacker to cause an out-of-bounds (OOB)…
Vulnerability class: Buffer Overflow
EPSS: 0.007 (49.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.
Affected products
- Gnu Gnutls
- Red Hat Ceph Storage 7 — versions sha256:4d2f9dc5b2b33ee1c77bbfabcbbb9f4d94d343b04c4de2e4f8b3b81a1f0fd2fe, 7
- Red Hat Discovery 2 — versions sha256:435ba9959b793d46a63a74c343bb8c3ff68350496afec12cc5e894dfc40b7648, 2.3.0-1760554384
- Red Hat Enterprise Linux 10 — versions 0:3.8.9-9.el10_0.14
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8 — versions 0:3.6.16-8.el8_10.4
- Red Hat Enterprise Linux 9 — versions 0:3.8.3-6.el9_6.2
- Red Hat Enterprise Linux 9.2 Update Services For Sap Solutions — versions 0:3.7.6-21.el9_2.4
- Red Hat Enterprise Linux 9.4 Extended Update Support — versions 0:3.8.3-4.el9_4.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-32990?
- CVE-2025-32990 is a medium-severity vulnerability in Gnu Gnutls, classified under Heap-based Buffer Overflow. CVSS score: 6.5/10. Published 2025-07-10.
- How severe is CVE-2025-32990?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2025-32990 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.