Vulnerability Details : CVE-2021-40633
Potential exploit
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.
Vulnerability category: Denial of service
Products affected by CVE-2021-40633
- cpe:2.3:a:giflib_project:giflib:5.1.4:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-40633
0.31%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-40633
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.1
|
MEDIUM | AV:N/AC:H/Au:N/C:P/I:P/A:P |
4.9
|
6.4
|
NIST | |
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2021-40633
-
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-40633
-
https://sourceforge.net/p/giflib/bugs/157/
GIFLIB / Bugs / #157 An OutofMemory-Exception or Memory Leak in gif2rgbExploit;Issue Tracking;Third Party Advisory
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