Medium: pcre2

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  

Additional References

Red Hat: CVE-2022-1586

Mitre: CVE-2022-1586