CVE-2026-53466 | ImageMagick: Heap Buffer Over-Read in XCF decoder due to integer conversion overflow

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-51 and 7.1.2-26, an integer overflow in the XCF decoder can result in an out of bounds read when a crafted image is read, potentially resulting in a crash. This issue has been fixed in versions 6.9.13-51 and 7.1.2-26.

Published: 2026-07-01 Last update: 2026-07-02 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2026-53466 is rated Low Risk (30.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.22%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-53466

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-07-02 0.22%

Full EPSS history (1 record total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-53466

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
3.9 2.5 [email protected]

Weakness enumeration for CVE-2026-53466

OS Trackers for CVE-2026-53466

vendor priority summary link
debian not yet assigned CVE-2026-53466 not yet assigned priority: Debian including 1 source packages (imagemagick), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 4, resolved 1. https://security-tracker.debian.org/tracker/CVE-2026-53466
redhat medium https://access.redhat.com/security/cve/CVE-2026-53466
suse medium https://www.suse.com/security/cve/CVE-2026-53466/
ubuntu medium CVE-2026-53466 medium priority: Ubuntu including 1 source packages (imagemagick), 9 status rows across 9 suites (bionic, focal, jammy, noble, questing, resolute, trusty, upstream, xenial): needs-triage 9. https://ubuntu.com/security/CVE-2026-53466

Affected software / configurations for CVE-2026-53466

Vendor Product Version Raw CPE
imagemagick imagemagick < 6.9.13-51 cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*
imagemagick imagemagick >= 7.0.0-0, < 7.1.2-26 cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*

References for CVE-2026-53466

cvelogic Threat Intelligence