CVE-2026-56373

Publication date 10 July 2026

Last updated 9 September 2026

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

3.7 · Low

Score breakdown

Description

ImageMagick before 7.1.2-15 contains a use-after-free vulnerability in the PDB decoder that uses a stale pointer when memory allocation fails. Attackers can trigger this vulnerability by processing malicious PDB files to cause crashes or write a single zero byte to freed memory.

Status

Package Ubuntu Release Status
imagemagick 26.04 LTS resolute
Not affected
24.04 LTS noble
Vulnerable
22.04 LTS jammy
Fixed 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm14
20.04 LTS focal
Fixed 8:6.9.10.23+dfsg-2.1ubuntu11.11+esm14
18.04 LTS bionic
Fixed 8:6.9.7.4+dfsg-16ubuntu6.15+esm16
16.04 LTS xenial
Fixed 8:6.8.9.9-7ubuntu5.16+esm24
14.04 LTS trusty
Fixed 8:6.7.7.10-6ubuntu3.13+esm25

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
imagemagick

Severity score breakdown

CVSS version:

Base score 6.3 · Medium

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Base score 3.7 · Low

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

References

Related Ubuntu Security Notices (USN)

    • USN-8739-1
    • ImageMagick vulnerabilities
    • 8 September 2026

Other references

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