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Bug 839741 (CVE-2018-20545, CVE-2018-20546) - <media-libs/libcaca-0.99_beta19-r4: multiple vulnerabilities
Summary: <media-libs/libcaca-0.99_beta19-r4: multiple vulnerabilities
Status: CONFIRMED
Alias: CVE-2018-20545, CVE-2018-20546
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal minor (vote)
Assignee: Gentoo Security
URL:
Whiteboard: B4 [glsa?]
Keywords:
Depends on:
Blocks:
 
Reported: 2022-04-20 16:37 UTC by John Helmert III
Modified: 2024-04-22 03:28 UTC (History)
1 user (show)

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Package list:
Runtime testing required: ---

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Description John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 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.
Comment 1 Christopher Fore 2024-04-22 03:28:44 UTC 
Looks like this was addressed in:

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=9e49df2222085dded48b58473bc2fd6347f8352f