CVE-2018-6797
9.8
CRITICAL
CVSS 3.1
EPSS 1.5%
Description
An issue was discovered in Perl 5.18 through 5.26. A crafted regular expression can cause a heap-based buffer overflow, with control over the bytes written.
How to fix CVE-2018-6797
To remediate CVE-2018-6797, upgrade the affected package to a fixed version below.
- Alpine/perl—upgrade to 5.26.2-r0 or later
- Debian/perl—upgrade to 5.26.1-6 or later
Is CVE-2018-6797 being exploited?
Low — EPSS is 1.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 5.26.2-r0
- from 0, < 5.26.1-6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |