Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GnuTLS | gnutls | 3.5.12 | — |
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 | 3.5.8-6 | — |
| Debian 13 | gnutls28 | 3.5.8-6 | — |
| Debian 12 | gnutls28 | 3.5.8-6 | — |
| Debian 9 | gnutls28 | 3.5.8-5+deb9u1 | DSA-3884-1 |
| Debian 8 | gnutls28 | 3.3.8-6+deb8u6 | DSA-3884-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | gnutls28 | 3.4.10-4ubuntu1.3 | USN-3318-1 |
| Ubuntu 14.04 LTS | gnutls26 | 2.12.23-12ubuntu2.8 | USN-3318-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | gnutls +4 | 3.3.26-9.el7 | RHSA-2017:2292 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | gnutls | 3.2.15-18.3.1 | SUSE-SU-2017:1838-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | gnutls | 3.2.15-18.3.1 | SUSE-SU-2017:1838-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | gnutls | 3.5.13-r0 | — |
| Alpine v3.23 | gnutls | 3.5.13-r0 | — |
| Alpine v3.22 | gnutls | 3.5.13-r0 | — |
| Alpine v3.21 | gnutls | 3.5.13-r0 | — |
| Alpine v3.20 | gnutls | 3.5.13-r0 | — |
Show 17 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | gnutls | 3.5.13-r0 | — |
| Alpine v3.18 | gnutls | 3.5.13-r0 | — |
| Alpine v3.17 | gnutls | 3.5.13-r0 | — |
| Alpine v3.16 | gnutls | 3.5.13-r0 | — |
| Alpine v3.15 | gnutls | 3.5.13-r0 | — |
| Alpine v3.14 | gnutls | 3.5.13-r0 | — |
| Alpine v3.13 | gnutls | 3.5.13-r0 | — |
| Alpine v3.12 | gnutls | 3.5.13-r0 | — |
| Alpine v3.11 | gnutls | 3.5.13-r0 | — |
| Alpine v3.10 | gnutls | 3.5.13-r0 | — |
| Alpine v3.9 | gnutls | 3.5.13-r0 | — |
| Alpine v3.8 | gnutls | 3.5.13-r0 | — |
| Alpine v3.7 | gnutls | 3.5.13-r0 | — |
| Alpine v3.6 | gnutls | 3.5.13-r0 | — |
| Alpine v3.5 | gnutls | 3.14.17-r1 | — |
| Alpine v3.4 | gnutls | 3.14.17-r1 | — |
| Alpine v3.3 | gnutls | 3.14.17-r1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | gnutls +4 | 3.3.26-9.el7 | ELSA-2017-2292 |
Advisories 5
- RHSA-2017:2292 Red Hat Security Advisory: gnutls security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-3318-1 gnutls26, gnutls28 vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-3884-1 gnutls28 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2017:1838-1 Security update for gnutls SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2017-2292 Moderate: gnutls security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 7, 2017
References
- 99102 vdb-entry
- RHSA-2017:2292 vendor-advisory
- https://www.gnutls.org/security.html#GNUTLS-SA-2017-4
- DSA-3884 vendor-advisory