| Name | CVE-2018-20547 | 
| Description | There is an illegal READ memory access at caca/dither.c (function get_rgba_default) in libcaca 0.99.beta19 for 24bpp data. | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
| References | DLA-1631-1 | 
| Debian Bugs | 917807 | 
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|
| libcaca (PTS) | bullseye | 0.99.beta19-2.2 | fixed | 
|  | bullseye (security) | 0.99.beta19-2.2+deb11u1 | fixed | 
|  | bookworm | 0.99.beta20-3 | fixed | 
|  | trixie | 0.99.beta20-5 | fixed | 
|  | forky, sid | 0.99.beta20-6 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|
| libcaca | source | jessie | 0.99.beta19-2+deb8u1 |  | DLA-1631-1 |  | 
| libcaca | source | stretch | 0.99.beta19-2.1~deb9u1 |  |  |  | 
| libcaca | source | (unstable) | 0.99.beta19-2.1 | low |  | 917807 | 
Notes
https://bugzilla.redhat.com/show_bug.cgi?id=1652624
https://github.com/cacalabs/libcaca/issues/39
Fixed by: https://github.com/cacalabs/libcaca/commit/02a09ec9e5ed8981e7a810bfb6a0172dc24f0790