CVE-2026-26740
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.
Published:Mar 18, 2026
Last Modified:Mar 24, 2026
EPS:Mar 18, 2026
EPSS Score:0.00139
CVSS Score:8.2
Affected Products
Vendor
Product
Action
Vendor
Giflib
Product
Giflib
Giflib
Giflib
Vendor
Giflib Project
Product
Giflib
Giflib Project
Giflib
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
