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CVE-2019-20454

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CVE-2019-20454

Published: Feb 14, 2020

Modified: Aug 5, 2024

PUBLISHED

CVSS v3.0

5.1

MEDIUM

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.

VendorProductVersions

n/a

n/a

affected
n/a

CVSS v3.0 Details

CVSS v3.0 Vector

CVSS:3.0/AC:H/AV:L/A:H/C:N/I:N/PR:N/S:U/UI:N

Attack Complexity

High

Attack Vector

Local

Availability

High

Confidentiality

None

Integrity

None

Privileges Required

None

Scope

Unchanged

User Interaction

None

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