What is CVE-2017-7507?

CVE-2017-7507 is a high-severity vulnerability in GNU Gnutls, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2017-06-16.

How severe is CVE-2017-7507?

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

NULL pointer dereference in GNU Gnutls

CVE-2017-7507

GnuTLS version 3.5.12 and earlier is vulnerable to a NULL pointer dereference while decoding a status response TLS extension with valid contents. This could lead to a crash of the GnuTLS server application.

Published 2017-06-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.034 (88.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.034 · newest: 0.034 · change: 0.000

Affected products

GNU Gnutls
Gnutls — versions 3.5.12

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

www.securityfocus.com/bid/99102 (VDB Entry, Third Party Advisory, vdb-entry)
access.redhat.com/errata/RHSA-2017:2292 (vendor-advisory)
www.gnutls.org/security.html (Vendor Advisory)
www.debian.org/security/2017/dsa-3884 (vendor-advisory)

Frequently asked questions

What is CVE-2017-7507?: CVE-2017-7507 is a high-severity vulnerability in GNU Gnutls, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2017-06-16.
How severe is CVE-2017-7507?: High severity. CVSS v3 base score is 7.5 out of 10.