Cyber Resilience

CVE-2023-51105

Artifex Mupdf 1.23.4

Public PoC
Published
26 December 2023
Modified
21 November 2024
CVSS Score v3.1 7.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0091 57th percentile
Risk Priority 59 floored blend · peak EPSS

Summary

CVE-2023-51105 is a high-severity Divide By Zero (CWE-369) vulnerability in Artifex Mupdf. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Endpoint Denial of Service (T1499); ranked in the top 43% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

A10:2025 Mishandling of Exceptional Conditions

EU & UK References

Vulnerability Data

A floating point exception (divide-by-zero) vulnerability was discovered in Artifex MuPDF 1.23.4 in function bmp_decompress_rle4() of load-bmp.c.

CWE(s)
CWE-369

Related Threats

MITRE ATT&CK Enterprise Techniques

T1499 Endpoint Denial of Service Impact
Adversaries may perform Endpoint Denial of Service (DoS) attacks to degrade or block the availability of services to users.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-51104Same product: Artifex Mupdf
CVE-2023-51106Same product: Artifex Mupdf
CVE-2023-51103Same product: Artifex Mupdf
CVE-2023-51107Same product: Artifex Mupdf
CVE-2023-31794Same product: Artifex Mupdf
CVE-2025-71382Same product: Artifex Mupdf
CVE-2025-46206Same product: Artifex Mupdf
CVE-2024-24258Same product: Artifex Mupdf
CVE-2024-24259Same product: Artifex Mupdf
CVE-2025-55780Same product: Artifex Mupdf

Affected Assets

artifex
mupdf
1.23.4

Mitigating Controls

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly include code analysis, input validation, and testing that prevent divide-by-zero errors.

ID.RA-01 partial match
prevents

Vulnerability identification processes can discover divide-by-zero flaws via static analysis or testing.

PR.PS-02 partial match
prevents

Routine patching and replacement can remediate divide-by-zero bugs present in deployed software.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.29 Security testing in development and acceptance mostly match
finds

Security testing in development can detect divide-by-zero conditions before release.

A.8.25 Secure development life cycle partial match
prevents

Secure development lifecycle includes input validation and error-handling practices that can prevent divide-by-zero faults.

A.8.26 Application security requirements partial match
prevents

Application security requirements can mandate checks for zero denominators and safe arithmetic handling.

A.8.27 Secure system architecture and engineering principles partial match
prevents

Secure architecture principles encourage defensive coding patterns that avoid arithmetic exceptions.

A.8.28 Secure coding partial match
prevents

Secure coding standards directly require validation to prevent divide-by-zero and similar runtime faults.

References