Description
cfg_tilde_expand in confuse.c in libConfuse 3.3 has a heap-based buffer over-read.
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 | libconfuse | 3.3-3 | — |
| Debian 13 | libconfuse | 3.3-3 | — |
| Debian 12 | libconfuse | 3.3-3 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | libconfuse | No fix yet | — |
| Ubuntu 26.04 LTS | libconfuse | No fix yet | — |
| Ubuntu 25.10 | libconfuse | No fix yet | — |
| Ubuntu 24.04 LTS | libconfuse | No fix yet | — |
| Ubuntu 22.04 LTS | libconfuse | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | libconfuse0 | 2.8-150000.3.3.1 | SUSE-SU-2022:3807-1 |
| SLES 15 SP3 | libconfuse0 | 2.8-150000.3.3.1 | SUSE-SU-2022:3807-1 |
| SLES 12 | libconfuse0 | 2.8-3.6.1 | SUSE-SU-2022:3331-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE HPC 15 SP2 | libconfuse0 | 2.8-150000.3.3.1 | SUSE-SU-2022:3807-1 |
| SLE HPC 15 SP1 | libconfuse0 | 2.8-150000.3.3.1 | SUSE-SU-2022:3807-1 |
| SLE HPC 15 | libconfuse0 | 2.8-150000.3.3.1 | SUSE-SU-2022:3807-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | libconfuse0 | 2.8-150000.3.3.1 | SUSE-SU-2022:3807-1 |
| openSUSE Leap 15.3 | libconfuse0 | 2.8-150000.3.3.1 | SUSE-SU-2022:3807-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | libconfuse | 3.3-2 | — |
| Azure Linux 2 (CBL-Mariner) | libconfuse | 3.3-2 | — |
Advisories 2
- SUSE-SU-2022:3807-1 Security update for libconfuse0 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3331-1 Security update for libconfuse0 SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/libconfuse/libconfuse/issues/163
- FEDORA-2022-645dc53ee2 vendor-advisory
- FEDORA-2022-9b67d67195 vendor-advisory
- FEDORA-2022-de992c68d0 vendor-advisory