CVE-2026-56367

Publication date 21 June 2026

Last updated 1 October 2026

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

3.7 · Low

Score breakdown

Description

ImageMagick before 7.1.2-15 and 6.9.x before 6.9.13-40 contains an integer overflow in the PSB (PSD v2) RLE decoding path (ReadPSDChannelRLE in coders/psd.c) that causes a heap out-of-bounds read on 32-bit builds. Processing a crafted PSB file can lead to information disclosure or a crash.

Status

Package Ubuntu Release Status
imagemagick 26.04 LTS resolute
Not affected
25.10 questing Ignored end of life, was needs-triage
24.04 LTS noble
Fixed 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm15
22.04 LTS jammy
Fixed 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm16
20.04 LTS focal
Fixed 8:6.9.10.23+dfsg-2.1ubuntu11.11+esm16
18.04 LTS bionic
Fixed 8:6.9.7.4+dfsg-16ubuntu6.15+esm18
16.04 LTS xenial
Fixed 8:6.8.9.9-7ubuntu5.16+esm26
14.04 LTS trusty
Not affected

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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:L/VI:N/VA:N/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:L/I:N/A:N

References

Related Ubuntu Security Notices (USN)

    • USN-8859-1
    • ImageMagick vulnerabilities
    • 30 September 2026

Other references

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