SB2023122638 - Multiple DoS vulnerabilities in MuPDF



SB2023122638 - Multiple DoS vulnerabilities in MuPDF

Published: December 26, 2023 Updated: November 26, 2025

Security Bulletin ID SB2023122638
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 vulnerabilities.


1) Division by zero (CVE-ID: CVE-2023-51107)

CWE-ID: CWE-369 - Divide By Zero

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a divide by zero error within the compute_color() function in jquant2.c. A remote attacker can trick the victim into opening a specially crafted PDF file and crash the application. 


2) Division by zero (CVE-ID: CVE-2023-51106)

CWE-ID: CWE-369 - Divide By Zero

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a divide by zero error within the pnm_binary_read_image() function in load-pnm.c. A remote attacker can trick the victim into opening a specially crafted PDF file and crash the application. 


3) Division by zero (CVE-ID: CVE-2023-51105)

CWE-ID: CWE-369 - Divide By Zero

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a divide by zero error within the bmp_decompress_rle4() function in load-bmp.c. A remote attacker can trick the victim into opening a specially crafted PDF file and crash the application. 


4) Division by zero (CVE-ID: CVE-2023-51104)

CWE-ID: CWE-369 - Divide By Zero

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a divide by zero error within the pnm_binary_read_image() function in  load-pnm.c. A remote attacker can trick the victim into opening a specially crafted PDF file and crash the application. 


5) Division by zero (CVE-ID: CVE-2023-51103)

CWE-ID: CWE-369 - Divide By Zero

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a divide by zero error within the fz_new_pixmap_from_float_data() function in pixmap.c. A remote attacker can trick the victim into opening a specially crafted PDF file and crash the application. 


Remediation

Install update from vendor's website.