Description
Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to cause a denial of service via the EGifGCBToExtension overwriting an existing Graphic Control Extension block without validating its allocated size.
Scores
CVSS v3
8.2
EPSS
0.0021
EPSS Percentile
42.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-787
Status
published
Products (1)
giflib_project/giflib
5.2.2
Published
Mar 18, 2026
Tracked Since
Mar 19, 2026