CVE-2026-33899
ImageMagick has a heap-Buffer-Overflow write of a single zero byte when parsing xml.
5.3
MEDIUM
CVSS 3.1
EPSS 0.02%
Description
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-189 and 6.9.13-44, when `Magick` parses an XML file it is possible that a single zero byte is written out of the bounds. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.
How to fix CVE-2026-33899
To remediate CVE-2026-33899, upgrade the affected package to a fixed version below.
- —upgrade to 8:6.9.11.60+dfsg-1.3+deb11u12 or later
- —upgrade to 14.12.0 or later
- —upgrade to 14.12.0 or later
- —upgrade to 14.12.0 or later
- —upgrade to 14.12.0 or later
- —upgrade to 14.12.0 or later
- —upgrade to 14.12.0 or later
- —upgrade to 14.12.0 or later
- —upgrade to 14.12.0 or later
- —upgrade to 14.12.0 or later
- —upgrade to 14.12.0 or later
- —upgrade to 14.12.0 or later
- —upgrade to 14.12.0 or later
- —upgrade to 14.12.0 or later
- —upgrade to 14.12.0 or later
- —upgrade to 14.12.0 or later
Is CVE-2026-33899 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (18)
- from 0, < 8:6.9.11.60+dfsg-1.3+deb11u12
- from 0, < 14.12.0
- from 0, < 14.12.0
- from 0, < 14.12.0
- from 0, < 14.12.0
- from 0, < 14.12.0
- from 0, < 14.12.0
- from 0, < 14.12.0
- from 0, < 14.12.0
- from 0, < 14.12.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |