CVE-2019-19203
7.5
HIGH
CVSS 3.1
EPSS 0.65%
Description
An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string. This leads to a heap-based buffer over-read.
How to fix CVE-2019-19203
To remediate CVE-2019-19203, upgrade the affected package to a fixed version below.
- Debian/libonig—upgrade to 6.9.4-1 or later
Is CVE-2019-19203 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 6.9.4-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |