Medium: pcre

Issue Overview:

PCRE before 8.38 mishandles the [: and \ substrings in character classes, which allows remote attackers to cause a denial of service (uninitialized memory read) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror. (CVE-2015-8390)

PCRE before 8.38 mishandles the (?(<digits>) and (?(R<digits>) conditions, which allows remote attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror. (CVE-2015-8394)

Affected Packages:

pcre

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 pcre to update your system.

New Packages:

aarch64:  
    pcre-8.32-17.amzn2.0.3.aarch64  
    pcre-devel-8.32-17.amzn2.0.3.aarch64  
    pcre-static-8.32-17.amzn2.0.3.aarch64  
    pcre-tools-8.32-17.amzn2.0.3.aarch64  
    pcre-debuginfo-8.32-17.amzn2.0.3.aarch64  
  
i686:  
    pcre-8.32-17.amzn2.0.3.i686  
    pcre-devel-8.32-17.amzn2.0.3.i686  
    pcre-static-8.32-17.amzn2.0.3.i686  
    pcre-tools-8.32-17.amzn2.0.3.i686  
    pcre-debuginfo-8.32-17.amzn2.0.3.i686  
  
src:  
    pcre-8.32-17.amzn2.0.3.src  
  
x86_64:  
    pcre-8.32-17.amzn2.0.3.x86_64  
    pcre-devel-8.32-17.amzn2.0.3.x86_64  
    pcre-static-8.32-17.amzn2.0.3.x86_64  
    pcre-tools-8.32-17.amzn2.0.3.x86_64  
    pcre-debuginfo-8.32-17.amzn2.0.3.x86_64  

Additional References

Red Hat: CVE-2015-8390, CVE-2015-8394

Mitre: CVE-2015-8390, CVE-2015-8394