CVE-2019-13224
libonig - security update
9.8
CRITICAL
CVSS 3.1
EPSS 0.54%
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.
How to fix CVE-2019-13224
To remediate CVE-2019-13224, upgrade the affected package to a fixed version below.
- —upgrade to 6.9.2-1 or later
- —upgrade to 5.9.5-3.2+deb8u2 or later
- —upgrade to 6.1.3-2+deb9u1 or later
Is CVE-2019-13224 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 6.9.2-1
- from 0, < 5.9.5-3.2+deb8u2
- from 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 |