CVE-2021-40633

Public Exploit

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.02% Top 25%
Third-Party Advisory sourceforge.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://sourceforge.net/p/giflib/bugs/157/ third party advisory issue tracking exploit

Frequently Asked Questions

What is the severity of CVE-2021-40633?
CVE-2021-40633 has been scored as a high severity vulnerability.
How to fix CVE-2021-40633?
To fix CVE-2021-40633, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-40633 being actively exploited in the wild?
It is possible that CVE-2021-40633 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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