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CVE-2016-3977

Published: 21 April 2016

Heap-based buffer overflow in util/gif2rgb.c in gif2rgb in giflib 5.1.2 allows remote attackers to cause a denial of service (application crash) via the background color index in a GIF file.

Notes

AuthorNote
sbeattie
out of bounds read
mdeslaur
looks like this was fixed in 5.1.4-0.3 but then the patch got
dropped again in 5.1.4-0.4 although it's still needed, contrary
to the note in the changelog

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
giflib
Launchpad, Ubuntu, Debian
precise Ignored
(end of life)
trusty Does not exist
(trusty was needed)
upstream Needs triage

wily Ignored
(end of life)
xenial Not vulnerable
(5.1.4-0.3)
yakkety Ignored
(end of life)
zesty Ignored
(end of life)
artful Ignored
(end of life)
bionic
Released (5.1.4-2ubuntu0.1)
cosmic Ignored
(end of life)
disco Not vulnerable
(5.1.4-3)
Patches:
upstream: https://sourceforge.net/p/giflib/code/ci/ea8dbc5786862a3e16a5acfa3d24e2c2f608cd88/

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H