CVE-2026-56366

Publication date 10 July 2026

Last updated 9 September 2026

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

3.3 · Low

Score breakdown

Description

ImageMagick before 7.1.2-18 contains a memory leak vulnerability in the META reader when processing APP1JPEG input paths. Attackers can trigger this memory leak by providing specially crafted APP1JPEG image files, causing denial of service through resource exhaustion.

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 4.8 · Medium

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

Base score 3.3 · Low

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

References

Related Ubuntu Security Notices (USN)

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

Other references

Access our resources on patching vulnerabilities