Medium: oniguruma

Issue Overview:

Oniguruma before 6.9.3 allows Stack Exhaustion in regcomp.c because of recursion in regparse.c. (CVE-2019-16163)

Oniguruma through 6.9.3, as used in PHP 7.3.x and other products, has a heap-based buffer over-read in str_lower_case_match in regexec.c.(CVE-2019-19246)

Affected Packages:

oniguruma

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 oniguruma to update your system.

New Packages:

aarch64:  
    oniguruma-5.9.6-1.amzn2.0.3.aarch64  
    oniguruma-devel-5.9.6-1.amzn2.0.3.aarch64  
    oniguruma-debuginfo-5.9.6-1.amzn2.0.3.aarch64  
  
i686:  
    oniguruma-5.9.6-1.amzn2.0.3.i686  
    oniguruma-devel-5.9.6-1.amzn2.0.3.i686  
    oniguruma-debuginfo-5.9.6-1.amzn2.0.3.i686  
  
src:  
    oniguruma-5.9.6-1.amzn2.0.3.src  
  
x86_64:  
    oniguruma-5.9.6-1.amzn2.0.3.x86_64  
    oniguruma-devel-5.9.6-1.amzn2.0.3.x86_64  
    oniguruma-debuginfo-5.9.6-1.amzn2.0.3.x86_64  

Additional References

Red Hat: CVE-2019-16163, CVE-2019-19012, CVE-2019-19204, CVE-2019-19246

Mitre: CVE-2019-16163, CVE-2019-19012, CVE-2019-19204, CVE-2019-19246