CVE-2020-26159

A flaw was found in oniguruma. 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 .

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.