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ALSA-2021:4373 — Low: pcre security update

2026-10-03T02:46:14.693452+00:00

Affected: AlmaLinux:8: pcre, AlmaLinux:8: pcre-cpp, AlmaLinux:8: pcre-devel, AlmaLinux:8: pcre-static, AlmaLinux:8: pcre-utf16, AlmaLinux:8: pcre-utf32

PCRE is a Perl-compatible regular expression library.

Security Fix(es):

* pcre: Buffer over-read in JIT when UTF is disabled and \X or \R has fixed quantifier greater than 1 (CVE-2019-20838)

* pcre: Integer overflow when parsing callout numeric arguments (CVE-2020-14155)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

Withdrawn: BELL-CVE-2019-20838 — CVE-2019-20838 does not affect BellSoft software

2026-10-03T02:46:14.693531+00:00

Withdrawn by the publisher.

certfr-2020-avi-747 — De multiples vulnérabilités ont été découvertes dans les produits Apple. Certaines d'entre elles permettent à un attaqu…

2026-10-03T02:46:14.693550+00:00

certfr-2020-avi-747

cnvd-2020-52703

2026-10-03T02:46:14.693567+00:00

cnvd-2020-52703

EUVD-2026-60288

2026-10-03T02:46:14.693580+00:00

EUVD-2026-60288

fkie_cve-2019-20838

2026-10-03T02:46:14.693590+00:00

libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454.

GHSA-689f-qv4w-xgqf

2026-10-03T02:46:14.693611+00:00

libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454.

gsd-2019-20838

2026-10-03T02:46:14.693624+00:00

gsd-2019-20838

msrc_CVE-2019-20838 — libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled and \X or \R has more than on…

2026-10-03T02:46:14.693634+00:00

msrc_CVE-2019-20838

openSUSE-SU-2021:1441-1 — Security update for pcre

2026-10-03T02:46:14.693651+00:00

Security update for pcre

RHSA-2021:4613 — Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.37 SP10 security update

2026-10-03T02:46:14.693667+00:00

httpd: mod_proxy_wstunnel tunneling of non Upgraded connection pcre: Buffer over-read in JIT when UTF is disabled and \X or \R has fixed quantifier greater than 1 httpd: mod_proxy NULL pointer dereference pcre: Integer overflow when parsing callout numeric arguments httpd: Single zero byte stack overflow in mod_auth_digest JBCS: URL normalization issue with dot-dot-semicolon(s) leads to information disclosure openssl: Read buffer overruns processing ASN.1 strings openssl: integer overflow in CipherUpdate openssl: NULL pointer dereference in X509_issuer_and_serial_hash() httpd: mod_session: NULL pointer dereference when parsing Cookie header httpd: mod_session: Heap overflow via a crafted SessionHeader value httpd: Unexpected URL matching with 'MergeSlashes OFF' httpd: NULL pointer dereference via malformed requests

SUSE-SU-2021:3529-1 — Security update for pcre

2026-10-03T02:46:14.693703+00:00

Security update for pcre

UBUNTU-CVE-2019-20838

2026-10-03T02:46:14.693717+00:00

Affected: Ubuntu:18.04:LTS: pcre3, Ubuntu:20.04:LTS: pcre3, Ubuntu:22.04:LTS: pcre3, Ubuntu:24.04:LTS: pcre3, Ubuntu:25.10: pcre3

libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454.

WID-SEC-W-2022-1897 — PCRE (Perl Compatible Regular Expressions): Mehrere Schwachstellen

2026-10-03T02:46:14.693740+00:00

Ein lokaler Angreifer kann mehrere Schwachstellen in PCRE (Perl Compatible Regular Expressions) ausnutzen, um einen Denial of Service Angriff durchzuführen oder weitere, nicht definierte Auswirkungen zu erzielen.