VYPR
High severity7.5NVD Advisory· Published Feb 14, 2020· Updated Jun 17, 2026

CVE-2019-20454

CVE-2019-20454

Description

An out-of-bounds read was discovered in PCRE before 10.34 when the pattern \X is JIT compiled and used to match specially crafted subjects in non-UTF mode. Applications that use PCRE to parse untrusted input may be vulnerable to this flaw, which would allow an attacker to crash the application. The flaw occurs in do_extuni_no_utf in pcre2_jit_compile.c.

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Affected products

68

Patches

Vulnerability mechanics

References

7

News mentions

0

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