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Fencer Vulns
high 7.5

CVE-2017-7869 json

GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based buffer overflow related to the cdk_pkt_rea…

published 2017-04-14 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16844

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based buffer overflow related to the cdk_pkt_read function in opencdk/read-packet.c. This issue (which is a subset of the vendor's GNUTLS-SA-2017-3 report) is fixed in 3.5.10.

Patch / fix

  • gnutls28 Debian 14, Debian 13, Debian 12 3.5.8-4

debian advisories DEBIAN-CVE-2017-7869

  • gnutls26 Ubuntu 14.04 LTS 2.12.23-12ubuntu2.8
  • gnutls28 Ubuntu 16.04 LTS 3.4.10-4ubuntu1.3

ubuntu advisories UBUNTU-CVE-2017-7869

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 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 +1 more 2.4.1-24.39.70.1
  • 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-2017:1886-1SUSE-SU-2017:1838-1

  • gnutls openSUSE Tumbleweed 3.7.2-1.2

opensuse advisories openSUSE-SU-2024:10801-1

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-2017-7869 updated cvss 8.1

gnutls: Out-of-bounds write related to the cdk_pkt_read function (GNUTLS-SA-2017-3)

  • 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
    affected: no fix planned “Will not fix”
  • 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 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

2.86% chance of exploitation in the next 30 days, higher than 86% 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

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.