CVE-2023-5341 — A heap use-after-free flaw was found in coders/bmp

A heap use-after-free flaw was found in coders/bmp.c in ImageMagick.

01What is this vulnerability?

A heap use-after-free flaw was found in coders/bmp.c in ImageMagick.

02Affected products

Vendor	Product	Versions
Red Hat	Red Hat Enterprise Linux 6	unspecified
Red Hat	Red Hat Enterprise Linux 7	unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-11-19T09:20:12.642Z
• Last modified: 2025-11-20T17:58:36.783Z

09References

• access.redhat.com — https://access.redhat.com/security/cve/CVE-2023-5341
• bugzilla.redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=2241774
• github.com — https://github.com/ImageMagick/ImageMagick/commit/aa673b2e4defc7cad5bec16c4fc832…