Description
GnuPG version 2.1.12 - 2.2.11 contains a Cross ite Request Forgery (CSRF) vulnerability in dirmngr that can result in Attacker controlled CSRF, Information Disclosure, DoS. This attack appear to be exploitable via Victim must perform a WKD request, e.g. enter an email address in the composer window of Thunderbird/Enigmail. This vulnerability appears to have been fixed in after commit 4a4bb874f63741026bd26264c43bb32b1099f060.
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 | 2.2.12-1 | — |
| Debian 13 | gnupg2 | 2.2.12-1 | — |
| Debian 12 | gnupg2 | 2.2.12-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | gnupg2 | 2.2.4-1ubuntu1.2 | USN-3853-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | gnupg2 +1 | 2.2.20-2.el8 | RHSA-2020:4490 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | gnupg2 +1 | 2.2.20-2.el8 | ALSA-2020:4490 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | gnupg2 | 2.2.20-2.el8 | RLSA-2020:4490 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | gpg2 | 2.2.5-4.6.2 | SUSE-SU-2019:0023-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.0 | gpg2 | 2.2.5-lp150.3.6.1 | openSUSE-SU-2019:0020-1 |
Advisories 7
- ALSA-2020:4490 Moderate: gnupg2 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2025-0227 IBM QRadar SIEM: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026
- USN-3853-1 gnupg2 vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- RLSA-2020:4490 Moderate: gnupg2 security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 5, 2026
- openSUSE-SU-2019:0020-1 Security update for gpg2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0023-1 Security update for gpg2 SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2020:4490 Red Hat Security Advisory: gnupg2 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jan 14, 2026