CVE-2021-40633

HIGH
Published Jun 14, 20224y ago · Modified Jun 17, 20262w ago
8.8 CVSS 3.1
High
Find Similar
Published Jun 14, 2022 4y ago
Last Modified Jun 17, 2026 2w ago

Description

A memory leak (out-of-memory) in gif2rgb in util/gif2rgb.c in giflib 5.1.4 allows remote attackers trigger an out of memory exception or denial of service via a gif format file.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-401

Affected Products 1

VendorProductVersionRange
giflib_projectgiflib5.1.4any

References 1

  • sourceforge.net https://sourceforge.net/p/giflib/bugs/157/
    ExploitIssue TrackingThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.