839741 – (CVE-2018-20545, CVE-2018-20546) media-libs/libcaca: multiple vulnerabilities

Bug 839741 (CVE-2018-20545, CVE-2018-20546) - media-libs/libcaca: multiple vulnerabilities

Summary: media-libs/libcaca: multiple vulnerabilities

Status:	CONFIRMED

Alias:	CVE-2018-20545, CVE-2018-20546

Product:	Gentoo Security
Classification:	Unclassified
Component:	Vulnerabilities (show other bugs)
Hardware:	All Linux

Importance:	Normal minor (vote)
Assignee:	Gentoo Security

URL:
Whiteboard:	B4 [ebuild]
Keywords:

Depends on:
Blocks:

Reported:	2022-04-20 16:37 UTC by John Helmert III
Modified:	2022-04-20 16:37 UTC (History)
CC List:	1 user (show)

See Also:
Package list:
Runtime testing required:	---

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Description John Helmert III archtester

2022-04-20 16:37:37 UTC

CVE-2018-20546 (https://github.com/cacalabs/libcaca/issues/38):

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.

Patch: https://github.com/cacalabs/libcaca/commit/1022d97496c7899e8641515af363381b31ae2f05~

CVE-2018-20545 (https://github.com/cacalabs/libcaca/issues/37):

There is an illegal WRITE memory access at common-image.c (function load_image) in libcaca 0.99.beta19 for 4bpp data.

Patch: https://github.com/cacalabs/libcaca/commit/3e52dabe3e64dc50f4422effe364a1457a8a8592

Patches in 0.99_beta20.