SB2025092617 - Ubuntu update for pcre2
Published: September 26, 2025
Security Bulletin ID
SB2025092617
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2025-58050)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the PCRE2 regular expression matching engine during handling of the (*scs:...) (Scan SubString) verb when combined with (*ACCEPT) in src/pcre2_match.c. A remote attacker can pass specially crafted input to the application, trigger an out-of-bounds read error and read contents of memory on the system.
Remediation
Install update from vendor's website.