Description
mutt before 2.3.2 sometimes uses strfcpy instead of memcpy for the IMAP auth_cram MD5 digest.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| mutt | mutt | < 2.3.2 | 2.3.2 |
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 | mutt | 2.3.2-1 | — |
| Debian 13 | mutt | 2.2.13-1+deb13u1 | — |
| Debian 12 | mutt | 2.2.12-0.1~deb12u2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | mutt | No fix yet | — |
| Ubuntu 26.04 LTS | mutt | No fix yet | — |
| Ubuntu 25.10 | mutt | No fix yet | — |
| Ubuntu 24.04 LTS | mutt | No fix yet | — |
| Ubuntu 22.04 LTS | mutt | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | mutt | No fix yet | — |
| Ubuntu Pro 18.04 LTS | mutt | No fix yet | — |
| Ubuntu Pro 16.04 LTS | mutt | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | mutt | 2.2.16-160000.2.1 | SUSE-SU-2026:22340-1 |
| SLES 16.0 | mutt | 2.2.16-160000.2.1 | SUSE-SU-2026:22340-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | mutt | 2.3.2-1.1 | openSUSE-SU-2026:10695-1 |
| openSUSE Leap 16.0 | mutt | 2.2.16-160000.2.1 | openSUSE-SU-2026:21016-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | mutt | No fix yet | — |
Advisories 4
- WID-SEC-2026-1343 mutt: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 12, 2026
- SUSE-SU-2026:22340-1 Security update for mutt SUSE / openSUSE Security Updates · Jul 2, 2026
- openSUSE-SU-2026:21016-1 Security update for mutt SUSE / openSUSE Security Updates · Jun 30, 2026
- openSUSE-SU-2026:10695-1 mutt-2.3.2-1.1 on GA media SUSE / openSUSE Security Updates · May 6, 2026