Description
Stack-based buffer overflow in the cdk_pk_get_keyid function in lib/opencdk/pubkey.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via a crafted OpenPGP certificate.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | gnutls28 | 3.5.8-1 | — |
| Debian 13 | gnutls28 | 3.5.8-1 | — |
| Debian 12 | gnutls28 | 3.5.8-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | gnutls28 | 3.4.10-4ubuntu1.2 | USN-3183-1 |
| Ubuntu 14.04 LTS | gnutls26 | 2.12.23-12ubuntu2.6 | USN-3183-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | gnutls +4 | 3.3.26-9.el7 | RHSA-2017:2292 |
| RHEL 6 | gnutls +3 | 2.12.23-21.el6 | RHSA-2017:0574 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | gnutls | 3.2.15-16.1 | SUSE-SU-2017:0348-1 |
| SLES 12 SP1 | gnutls | 3.2.15-16.1 | SUSE-SU-2017:0348-1 |
| SLES 11 SP4 | gnutls | 2.4.1-24.39.67.1 | SUSE-SU-2017:0304-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | gnutls | 3.2.15-16.1 | SUSE-SU-2017:0348-1 |
| SLES for SAP 12 SP1 | gnutls | 3.2.15-16.1 | SUSE-SU-2017:0348-1 |
| SLES for SAP 11 SP4 | gnutls | 2.4.1-24.39.67.1 | SUSE-SU-2017:0304-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | gnutls +4 | 3.3.26-9.el7 | ELSA-2017-2292 |
Advisories 8
- RHSA-2017:0574 Red Hat Security Advisory: gnutls security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2017:2292 Red Hat Security Advisory: gnutls security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-3183-1 gnutls26, gnutls28 vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- SUSE-SU-2017:0348-1 Security update for gnutls SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0304-1 Security update for gnutls SUSE / openSUSE Security Updates · Feb 4, 2026
- VDE-2019-009 PHOENIX CONTACT: Multiple Vulnerabilities in AXC F 2152 CERT@VDE · May 22, 2025
- ICSA-19-155-01 PHOENIX CONTACT PLCNext AXC F 2152 CISA ICS & IT advisories · Jun 4, 2019
- ELSA-2017-2292 Moderate: gnutls security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 7, 2017
References
- https://gitlab.com/gnutls/gnutls/commit/5140422e0d7319a8e2fe07f02cbcafc4d6538732
- 95377 vdb-entry
- [oss-security] 20170110 CVE request: two advisories for GnuTLS GNUTLS-SA-2017-1, GNUTLS-SA-2017-2, fixed in 3.3.26, 3.5.8 mailing-list
- RHSA-2017:2292 vendor-advisory
- 1037576 vdb-entry
- [oss-security] 20170110 Re: CVE request: two advisories for GnuTLS GNUTLS-SA-2017-1, GNUTLS-SA-2017-2, fixed in 3.3.26, 3.5.8 mailing-list
- openSUSE-SU-2017:0386 vendor-advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=340
- RHSA-2017:0574 vendor-advisory
- GLSA-201702-04 vendor-advisory
- https://gnutls.org/security.html#GNUTLS-SA-2017-2