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- Snyk ID SNYK-UBUNTU1804-LIBONIG-453256
- published 24 Jul 2019
- disclosed 10 Jul 2019
How to fix?
There is no fixed version for
Note: Versions mentioned in the description apply only to the upstream
libonig package and not the
libonig package as distributed by
How to fix? for
Ubuntu:18.04 relevant fixed versions and status.
A use-after-free in onig_new_deluxe() in regext.c in Oniguruma 6.9.2 allows attackers to potentially cause information disclosure, denial of service, or possibly code execution by providing a crafted regular expression. The attacker provides a pair of a regex pattern and a string, with a multi-byte encoding that gets handled by onig_new_deluxe(). Oniguruma issues often affect Ruby, as well as common optional libraries for PHP and Rust.