SB2020100122 - Fedora 32 update for oniguruma
Published: October 1, 2020 Updated: April 25, 2025
Security Bulletin ID
SB2020100122
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2020-26159)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
In Oniguruma 6.9.5_rev1, an attacker able to supply a regular expression for compilation may be able to overflow a buffer by one byte in concat_opt_exact_str in src/regcomp.c .
Remediation
Install update from vendor's website.