CVE-2018-6797

high-risk
Published 2018-04-17

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.

Do I need to act?

~
1.5% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
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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

Affected Products (12)

Affected Vendors

Debian Redhat Perl Canonical

References (16)

Third Party Advisory http://www.securitytracker.com/id/1040681
Third Party Advisory http://www.securitytracker.com/id/1042004
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1192
Patch https://rt.perl.org/Public/Bug/Display.html?id=132227
https://security.gentoo.org/glsa/201909-01
Third Party Advisory https://usn.ubuntu.com/3625-1/
Third Party Advisory https://www.debian.org/security/2018/dsa-4172
https://www.oracle.com/security-alerts/cpujul2020.html
Third Party Advisory http://www.securitytracker.com/id/1040681
Third Party Advisory http://www.securitytracker.com/id/1042004
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1192
Patch https://rt.perl.org/Public/Bug/Display.html?id=132227
https://security.gentoo.org/glsa/201909-01
Third Party Advisory https://usn.ubuntu.com/3625-1/
Third Party Advisory https://www.debian.org/security/2018/dsa-4172
https://www.oracle.com/security-alerts/cpujul2020.html
53
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 4/34 · Minimal
Exposure 17/34 · Moderate