Integer overflow in Libcaca Project
CVE-2018-20546
There is an illegal READ memory access at caca/dither.c (function get_rgba_default) in libcaca 0.99.beta19 for the default bpp case.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.023 (82.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Libcaca Project — versions 0.99
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Linux — versions 8.0
- Fedoraproject Fedora — versions 34, 35, 36
- openSUSE Leap — versions 15.0
Weakness classification (CWE)
References
- usn.ubuntu.com/3860-2/ (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Exploit, Patch, Third Party Advisory, Issue Tracking)
- lists.debian.org/debian-lts-announce/2019/01/msg00007.html (mailing-list, Mailing List, Third Party Advisory)
- usn.ubuntu.com/3860-1/ (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00033.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- github.com/cacalabs/libcaca/issues/38 (Third Party Advisory)
- github.com/cacalabs/libcaca/commit/1022d97496c7899e8641515af363381b31ae2f05 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-20546?
- CVE-2018-20546 is a high-severity vulnerability in Libcaca Project, classified under Integer Overflow or Wraparound. CVSS score: 8.1/10. Published 2018-12-28.
- How severe is CVE-2018-20546?
- High severity. CVSS v3 base score is 8.1 out of 10.