SB2016042120 - Fedora 22 update for perl



SB2016042120 - Fedora 22 update for perl

Published: April 21, 2016 Updated: April 24, 2025

Security Bulletin ID SB2016042120
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Infinite loop (CVE-ID: CVE-2015-8853)

The vulnerability allows an adjacent attacker to cause DoS condition on the target system.

The weakness exists in the (1) S_reghop3, (2) S_reghop4, and (3) S_reghopmaybe3 functions in regexec.c due to infinite loop. An adjacent attacker can submit specially crafted utf-8 data, as demonstrated by "ax80", and cause the service to crash.

Remediation

Install update from vendor's website.