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CVE-2019-20454

CVE-2019-20454

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 5.1 · Medium · EPSS 1.6% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • pcre2 Debian:12

    Affected ranges
    • ECOSYSTEM: < 10.34-1

    Update to 10.34-1

  • pcre2 Debian:13

    Affected ranges
    • ECOSYSTEM: < 10.34-1

    Update to 10.34-1

  • pcre2 Debian:14

    Affected ranges
    • ECOSYSTEM: < 10.34-1

    Update to 10.34-1

  • pcre2 Ubuntu:Pro:18.04:LTS

    Versions
    • 10.22-3
    • 10.22-4
    • 10.22-5
    • 10.22-6
    • 10.31-2
    • 10.31-2ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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