Amazon Linux 2 Security Advisory: ALAS-2022-1871
Advisory Release Date: 2022-10-31 19:40 Pacific
Advisory Updated Date: 2022-11-08 22:20 Pacific
Severity:
Medium
Issue Overview:
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the compile_xclass_matchingpath() function of the pcre2_jit_compile.c file. This involves a unicode property matching issue in JIT-compiled regular expressions. The issue occurs because the character was not fully read in case-less matching within JIT. (CVE-2022-1586)
Affected Packages:
pcre2
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update pcre2 to update your system.
New Packages:
aarch64:
pcre2-10.23-11.amzn2.0.1.aarch64
pcre2-utf16-10.23-11.amzn2.0.1.aarch64
pcre2-utf32-10.23-11.amzn2.0.1.aarch64
pcre2-devel-10.23-11.amzn2.0.1.aarch64
pcre2-static-10.23-11.amzn2.0.1.aarch64
pcre2-tools-10.23-11.amzn2.0.1.aarch64
pcre2-debuginfo-10.23-11.amzn2.0.1.aarch64
i686:
pcre2-10.23-11.amzn2.0.1.i686
pcre2-utf16-10.23-11.amzn2.0.1.i686
pcre2-utf32-10.23-11.amzn2.0.1.i686
pcre2-devel-10.23-11.amzn2.0.1.i686
pcre2-static-10.23-11.amzn2.0.1.i686
pcre2-tools-10.23-11.amzn2.0.1.i686
pcre2-debuginfo-10.23-11.amzn2.0.1.i686
src:
pcre2-10.23-11.amzn2.0.1.src
x86_64:
pcre2-10.23-11.amzn2.0.1.x86_64
pcre2-utf16-10.23-11.amzn2.0.1.x86_64
pcre2-utf32-10.23-11.amzn2.0.1.x86_64
pcre2-devel-10.23-11.amzn2.0.1.x86_64
pcre2-static-10.23-11.amzn2.0.1.x86_64
pcre2-tools-10.23-11.amzn2.0.1.x86_64
pcre2-debuginfo-10.23-11.amzn2.0.1.x86_64