CVE-2019-13224
CRITICAL9.8EPSS 0.54%libonig - security update
Published: 7/10/2019Modified: 3/9/2026
Also known as:DEBIAN-CVE-2019-13224DLA-1854-1
Description
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.
Affected packages (3)
- Debian/libonigfrom 0, < 6.9.2-1
- Debian/libonigfrom 0, < 5.9.5-3.2+deb8u2
- Debian/libonigfrom 0, < 6.1.3-2+deb9u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |