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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-02-14T00:00:00

Updated: 2024-08-05T02:39:09.902Z

Reserved: 2020-02-14T00:00:00

Link: CVE-2019-20454

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-02-14T14:15:10.593

Modified: 2024-11-21T04:38:31.003

Link: CVE-2019-20454

cve-icon Redhat

Severity : Moderate

Publid Date: 2019-07-28T00:00:00Z

Links: CVE-2019-20454 - Bugzilla