# CVE-2023-3745: Imagemagick: heap-buffer-overflow in pushcharpixel() in quantum-private.h

Status: published. Published: 2023-07-24. Updated: 2026-11-07.

A heap-based buffer overflow issue was found in ImageMagick's PushCharPixel() function in quantum-private.h. This issue may allow a local attacker to trick the user into opening a specially crafted file, triggering an out-of-bounds read error and allowing an application to crash, resulting in a denial of service.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Red Hat / Red Hat Enterprise Linux 6 (ImageMagick): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 7 (ImageMagick): Version range not reported. Source: CNA: redhat

## Severity and prioritization

- CVSS 3.1: 5.5 (medium); CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H; source: CNA: redhat

- CISA KEV: No listing in collected sources

- EPSS: 0.46% as of 2026-11-06; percentile 40.34%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-125

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://access.redhat.com/security/cve/CVE-2023-3745 (CNA: redhat; vdb-entry, x_refsource_REDHAT)

- https://bugzilla.redhat.com/show_bug.cgi?id=2223557 (CNA: redhat; issue-tracking, x_refsource_REDHAT)

- https://github.com/ImageMagick/ImageMagick/commit/54cdc146bbe50018526770be201b56643ad58ba7 (CNA: redhat)

- https://github.com/ImageMagick/ImageMagick/commit/651672f19c75161a6159d9b6838fd3095b6c5304 (CNA: redhat)

- https://github.com/ImageMagick/ImageMagick/issues/1857 (CNA: redhat)

- https://github.com/ImageMagick/ImageMagick6/commit/7486477aa00c5c7856b111506da075b6cdfa8b73 (CNA: redhat)

- https://github.com/ImageMagick/ImageMagick6/commit/b466a96965afc1308a4ace93f5535c2b770f294b (CNA: redhat)

- https://access.redhat.com/security/cve/CVE-2023-3745 (ADP: CVE; vdb-entry, x_refsource_REDHAT, x_transferred)

- https://bugzilla.redhat.com/show_bug.cgi?id=2223557 (ADP: CVE; issue-tracking, x_refsource_REDHAT, x_transferred)

- https://github.com/ImageMagick/ImageMagick/commit/54cdc146bbe50018526770be201b56643ad58ba7 (ADP: CVE; x_transferred)

- https://github.com/ImageMagick/ImageMagick/commit/651672f19c75161a6159d9b6838fd3095b6c5304 (ADP: CVE; x_transferred)

- https://github.com/ImageMagick/ImageMagick/issues/1857 (ADP: CVE; x_transferred)

- https://github.com/ImageMagick/ImageMagick6/commit/7486477aa00c5c7856b111506da075b6cdfa8b73 (ADP: CVE; x_transferred)

- https://github.com/ImageMagick/ImageMagick6/commit/b466a96965afc1308a4ace93f5535c2b770f294b (ADP: CVE; x_transferred)

## Provenance

- CNA: redhat: https://www.cve.org/CVERecord?id=CVE-2023-3745; retrieved 2026-11-07; source updated 2026-11-07

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2023-3745; retrieved 2026-11-07; source updated Not reported

Revision: fdf7b730414a87dcaed641b88ad6be4ab6690b4c4a873c15718c7d11a5bbe976

Canonical: https://y2.dev/cve/CVE-2023-3745

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