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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)

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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
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
06/15/2020
Created
11/11/2021
Added
11/10/2021
Modified
12/15/2023

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.

Solution(s)

  • redhat-upgrade-pcre
  • redhat-upgrade-pcre-cpp
  • redhat-upgrade-pcre-cpp-debuginfo
  • redhat-upgrade-pcre-debuginfo
  • redhat-upgrade-pcre-debugsource
  • redhat-upgrade-pcre-devel
  • redhat-upgrade-pcre-static
  • redhat-upgrade-pcre-tools-debuginfo
  • redhat-upgrade-pcre-utf16
  • redhat-upgrade-pcre-utf16-debuginfo
  • redhat-upgrade-pcre-utf32
  • redhat-upgrade-pcre-utf32-debuginfo

References

  • CVE-2019-20838
  • RHSA-2021:4373

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