Out-of-Bounds Write Vulnerability in PCRE2 by PCRE2Project

CVE-2026-89157

What is CVE-2026-89157?

PCRE2 versions prior to 10.48 on 32-bit platforms are susceptible to an out-of-bounds write issue triggered by a large pattern submitted by an attacker. This could lead to memory corruption, resulting in potential system instability and vulnerabilities that could be exploited to execute arbitrary code. Users of outdated versions are strongly encouraged to upgrade to mitigate risks associated with this vulnerability.

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