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CVE-2018-11490

Published: 26 May 2018

The DGifDecompressLine function in dgif_lib.c in GIFLIB (possibly version 3.0.x), as later shipped in cgif.c in sam2p 0.49.4, has a heap-based buffer overflow because a certain "Private->RunningCode - 2" array index is not checked. This will lead to a denial of service or possibly unspecified other impact.

Priority

Low

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
giflib
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic
Released (5.1.4-2ubuntu0.1)
cosmic Ignored
(end of life)
disco
Released (5.1.4-3ubuntu0.1)
trusty Does not exist
(trusty was needed)
upstream
Released (5.1.5)
xenial
Released (5.1.4-0.3~16.04.1)
Patches:
upstream: https://sourceforge.net/p/giflib/code/ci/08438a5098f3bb1de23a29334af55eba663f75bd/

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H