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CVE-2016-7044

Published: 21 September 2016

The unformat_24bit_color function in the format parsing code in Irssi before 0.8.20, when compiled with true-color enabled, allows remote attackers to cause a denial of service (heap corruption and crash) via an incomplete 24bit color code.

From the Ubuntu Security Team

Gabriel Campana and Adrien Guinet discovered that the format parsing code in Irssi did not properly verify 24bit color codes. A remote attacker could use this to cause a denial of service (application crash).

Notes

AuthorNote
sbeattie
introduced in 0.17

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
irssi
Launchpad, Ubuntu, Debian
upstream
Released (0.8.20)
precise Not vulnerable

trusty Does not exist
(trusty was not-affected)
xenial
Released (0.8.19-1ubuntu1.2)
Patches:
upstream: https://github.com/irssi/irssi/commit/295a4b77f07f14602eeaa371f00ddbf09910c82b