CVE-2026-89162

Description

In PCRE2 before 10.48, pcre2_serialize_encode might disclose two bytes to an adversary, typically in a situation where the access available to the adversary is already unsafe.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48 Release Notes
• https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q7rw-r7qq-2hx6 ExploitVendor Advisory