Main Vulnerability Database Vulnerabilities #VU33371

Integer overflow - CVE-2018-20546

Published: December 28, 2018 / Updated: August 4, 2020

Vulnerability identifier: #VU33371

CSH Severity: High

CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-20546

CWE-ID: CWE-190

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.

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.

libcaca (Alpine package)
Opensuse

Install update from vendor's website.

libcaca (Alpine package) - update to 0.99_beta19-r3