USN-7777-1: PCRE2 vulnerability
Publication date
25 September 2025
Overview
PCRE2 could be made to expose sensitive information.
Releases
Packages
- pcre2 - New Perl Compatible Regular Expression Library
Details
It was discovered that PCRE2 incorrectly handled the Scan SubString verb.
An attacker could possibly use this issue to cause applications using PCRE2
to expose sensitive information.
It was discovered that PCRE2 incorrectly handled the Scan SubString verb.
An attacker could possibly use this issue to cause applications using PCRE2
to expose sensitive information.
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 25.04 plucky | libpcre2-16-0 – 10.45-1ubuntu0.1 | ||
| libpcre2-32-0 – 10.45-1ubuntu0.1 | |||
| libpcre2-8-0 – 10.45-1ubuntu0.1 | |||
| libpcre2-posix3 – 10.45-1ubuntu0.1 | |||
| pcre2-utils – 10.45-1ubuntu0.1 | |||
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