Description
libcaca is affected by a Divide By Zero issue via img2txt, which allows a remote malicious user to cause a Denial of Service
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | libcaca | libcaca - v0.99.beta20 | — |
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 | libcaca | 0.99.beta20-8 | — |
| Debian 13 | libcaca | No fix yet | — |
| Debian 12 | libcaca | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | libcaca | 0.99.beta20-5ubuntu0.25.10.1 | — |
| Ubuntu 24.04 LTS | libcaca | 0.99.beta20-4ubuntu0.1 | — |
| Ubuntu 22.04 LTS | libcaca | 0.99.beta19-2.2ubuntu4.1 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | libcaca | 0.99.beta19-2.1ubuntu1.20.04.2+esm1 | — |
| Ubuntu Pro 18.04 LTS | libcaca | 0.99.beta19-2ubuntu0.18.04.3+esm1 | — |
| Ubuntu Pro 16.04 LTS | libcaca | 0.99.beta19-2ubuntu0.16.04.2+esm2 | — |
| Ubuntu Pro 14.04 LTS | libcaca | 0.99.beta18-1ubuntu5.1+esm3 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | libcaca | 0.99.beta19.git20171003-150200.11.6.1 | SUSE-SU-2022:1476-1 |
| SLES 12 SP5 | libcaca | 0.99.beta18-14.9.1 | SUSE-SU-2022:1508-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | libcaca | 0.99.beta18-14.9.1 | SUSE-SU-2022:1508-1 |
| SLE Real Time 15 SP2 | libcaca | 0.99.beta19.git20171003-150200.11.6.1 | SUSE-SU-2022:1476-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | libcaca | 0.99.beta19.git20171003-150200.11.6.1 | SUSE-SU-2022:1476-1 |
| openSUSE Leap 15.3 | libcaca | 0.99.beta19.git20171003-150200.11.6.1 | SUSE-SU-2022:1476-1 |
Advisories 2
- SUSE-SU-2022:1508-1 Security update for libcaca SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1476-1 Security update for libcaca SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/cacalabs/libcaca/issues/65
- FEDORA-2023-7248587205 vendor-advisory
- FEDORA-2023-335e8b2908 vendor-advisory
- FEDORA-2023-8282501ffb vendor-advisory