CVE-2021-40633
8.8
HIGH
CVSS 3.1
EPSS 0.81%
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.
How to fix CVE-2021-40633
To remediate CVE-2021-40633, upgrade the affected package to a fixed version below.
- Alpine/giflib—upgrade to 5.2.2-r0 or later
- Debian/giflib—no fix listed
Is CVE-2021-40633 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 5.2.2-r0
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |