CVE-2019-20838
7.5
HIGH
CVSS 3.1
EPSS 0.23%
Description
libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454.
How to fix CVE-2019-20838
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/pcre3—no fix listed
Is CVE-2019-20838 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
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 |