SB2022090934 - Denial of service in Leptonica



SB2022090934 - Denial of service in Leptonica

Published: September 9, 2022 Updated: December 22, 2023

Security Bulletin ID SB2022090934
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Division by zero (CVE-ID: CVE-2022-38266)

CWE-ID: CWE-369 - Divide By Zero

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


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a divide by zero error within the blocksumLow() function in convolve.c. A remote attacker can pass a specially crafted JPEG image to the application and crash it.


Remediation

Install update from vendor's website.