CVE-2018-18311

high-risk
Published 2018-12-07

Perl before 5.26.3 and 5.28.x before 5.28.1 has a buffer overflow via a crafted regular expression that triggers invalid write operations.

Do I need to act?

!
11.4% chance of exploitation in next 30 days
EPSS score — higher than 89% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity
65
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 11/34 · Low
Exposure 22/34 · High