vulnerability
Red Hat: CVE-2019-20838: CVE-2019-20838 pcre: Buffer over-read in JIT when UTF is disabled and \X or \R has fixed quantifier greater than 1 (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:N/A:P) | Jun 15, 2020 | Nov 10, 2021 | Aug 11, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
Jun 15, 2020
Added
Nov 10, 2021
Modified
Aug 11, 2025
Description
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.
Solutions
redhat-upgrade-pcreredhat-upgrade-pcre-cppredhat-upgrade-pcre-cpp-debuginforedhat-upgrade-pcre-debuginforedhat-upgrade-pcre-debugsourceredhat-upgrade-pcre-develredhat-upgrade-pcre-staticredhat-upgrade-pcre-tools-debuginforedhat-upgrade-pcre-utf16redhat-upgrade-pcre-utf16-debuginforedhat-upgrade-pcre-utf32redhat-upgrade-pcre-utf32-debuginfo
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