Description
The compressed packet parser in GnuPG 1.4.x before 1.4.15 and 2.0.x before 2.0.22 allows remote attackers to cause a denial of service (infinite recursion) via a crafted OpenPGP message.
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 | gnupg2 | 2.0.22-1 | — |
| Debian 13 | gnupg2 | 2.0.22-1 | — |
| Debian 12 | gnupg2 | 2.0.22-1 | — |
| Debian 7 | gnupg | 1.4.12-7+deb7u2 | DSA-2773-1 |
| Debian 7 | gnupg2 | 2.0.19-2+deb7u1 | DSA-2774-1 |
| Debian 6.0 | gnupg | 1.4.10-4+squeeze3 | DSA-2773-1 |
| Debian 6.0 | gnupg2 | 2.0.14-2+squeeze2 | DSA-2774-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | gnupg2 +1 | 2.0.14-6.el6_4 | RHSA-2013:1459 |
| RHEL 5 | gnupg | 1.4.5-18.el5_10 | RHSA-2013:1458 |
| RHEL 5 | gnupg2 | 2.0.10-6.el5_10 | RHSA-2013:1459 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | gpg2 | 2.1.16-1.1 | openSUSE-SU-2024:10102-1 |
Advisories 5
- RHSA-2013:1459 Red Hat Security Advisory: gnupg2 security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2013:1458 Red Hat Security Advisory: gnupg security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-2774-1 gnupg2 - several Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2773-1 gnupg - several Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10102-1 gpg2-2.1.16-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1015685
- openSUSE-SU-2013:1546 vendor-advisory
- [Gnupg-announce] 20131005 [Announce] [security fix] GnuPG 1.4.15 released mailing-list
- USN-1987-1 vendor-advisory
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725433
- [Gnupg-announce] 20131005 [Announce] [security fix] GnuPG 2.0.22 released mailing-list
- DSA-2773 vendor-advisory
- openSUSE-SU-2013:1552 vendor-advisory
- RHSA-2013:1459 vendor-advisory
- DSA-2774 vendor-advisory