cve/2015/CVE-2015-8853.md

CVE-2015-8853

Description

The (1) S_reghop3, (2) S_reghop4, and (3) S_reghopmaybe3 functions in regexec.c in Perl before 5.24.0 allow context-dependent attackers to cause a denial of service (infinite loop) via crafted utf-8 data, as demonstrated by "a\x80."

POC

Reference

• http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
• http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
• https://rt.perl.org/Public/Bug/Display.html?id=123562

Github

• https://github.com/IBM/buildingimages