CVE-2019-20454

Katalog CVE

CVSS 7.5 · High EPSS 1,6%

Kerentanan Out-of-bounds Read pada pcre2, fedoraproject fedora +1 lainnya. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

14 Februari 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-125: Out-of-bounds Read

EPSS (30 hari)

1,6% peluang dieksploitasi; lebih tinggi dari 74,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=1735494 issue tracking · patch · advisory pihak ketiga
• https://vcs.pcre.org/pcre2?view=revision&revision=1092 broken link · patch
• https://bugs.exim.org/show_bug.cgi?id=2421 issue tracking · permissions required · advisory pihak ketiga
• https://bugs.php.net/bug.php?id=78338 exploit · issue tracking · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2023/03/msg00014.html mailing list · advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OQRAHYHLRNMBT... mailing list · advisory pihak ketiga
• https://security.gentoo.org/glsa/202006-16 advisory pihak ketiga