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Fencer Vulns
high 7.5

CVE-2017-7507 json

GnuTLS version 3.5.12 and earlier is vulnerable to a NULL pointer dereference while decoding a status response TLS extension with valid con…

published 2017-06-16 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16524

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.4%
EPSS 3.4% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

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.

Patch / fix

  • gnutls28 Debian 14, Debian 13, Debian 12 3.5.8-6

debian advisories DEBIAN-CVE-2017-7507

  • gnutls28 Ubuntu 16.04 LTS 3.4.10-4ubuntu1.3

ubuntu advisories UBUNTU-CVE-2017-7507

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • gnutls RHEL 7 3.3.26-9.el7
  • gnutls-c++ RHEL 7 3.3.26-9.el7
  • gnutls-dane RHEL 7 3.3.26-9.el7
  • gnutls-utils RHEL 7 3.3.26-9.el7

red hat advisories RHSA-2017:2292

  • gnutls SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2, SLES 12 SP2 +2 more 3.2.15-18.3.1

suse advisories SUSE-SU-2017:1838-1

  • gnutls Alpine 3.24, Alpine 3.23, Alpine 3.22 +16 more 3.5.13-r0
  • gnutls Alpine 3.5, Alpine 3.4, Alpine 3.3 3.14.17-r1

alpine advisories ALPINE-CVE-2017-7507

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • gnutls Arch Linux 3.5.13-1
  • lib32-gnutls Arch Linux 3.5.13-1

arch linux advisories AVG-294AVG-295

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-7507 updated cvss 7.5

gnutls: Crash upon receiving well-formed status_request extension

  • Red Hat Enterprise Linux Client (v. 7) gnutls 3.3.26-9.el7, gnutls-dane 3.3.26-9.el7, gnutls-utils 3.3.26-9.el7 Red Hat Enterprise Linux Client Optional (v. 7) gnutls-c++ 3.3.26-9.el7 Red Hat Enterprise Linux ComputeNode (v. 7) gnutls 3.3.26-9.el7, gnutls-dane 3.3.26-9.el7, gnutls-utils 3.3.26-9.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) gnutls-c++ 3.3.26-9.el7 Red Hat Enterprise Linux Server (v. 7) gnutls 3.3.26-9.el7, gnutls-c++ 3.3.26-9.el7, gnutls-dane 3.3.26-9.el7, gnutls-utils 3.3.26-9.el7 Red Hat Enterprise Linux Workstation (v. 7) gnutls 3.3.26-9.el7, gnutls-c++ 3.3.26-9.el7, gnutls-dane 3.3.26-9.el7, gnutls-utils 3.3.26-9.el7
    fixed: vendor fix RHSA-2017:2292
  • Red Hat Enterprise Linux 5 gnutls Red Hat Enterprise Linux 6 gnutls, gnutls-guile, gnutls-utils Red Hat Enterprise Virtualization 3 mingw-virt-viewer, mingw32-virt-viewer, mingw64-virt-viewer
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.41% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • GnuTLS gnutls

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.