CVE-2021-40633 is a memory leak vulnerability (CWE-401) in giflib 5.1.4's gif2rgb utility, allowing remote attackers to trigger an out-of-memory exception or denial of service via a specially crafted GIF file. With a CVSS score of 8.8 (High), this vulnerability can be exploited remotely with low attack complexity, requiring user interaction, and potentially leading to high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
5.1.4CPE matchmatch criteria | cpe:2.3:a:giflib_project:giflib:5.1.4:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.
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Oct 29, 2024A 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.
Jun 14, 2022gif2rgb: gif2rgb memory leak
Jun 14, 2022