CVE-2018-6798

Description

An issue was discovered in Perl 5.22 through 5.26. Matching a crafted locale dependent regular expression can cause a heap-based buffer over-read and potentially information disclosure.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.49% Top 20%
Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory perl.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2018:1192 third party advisory vendor advisory
http://www.securitytracker.com/id/1040681 vdb entry third party advisory
https://usn.ubuntu.com/3625-1/ third party advisory vendor advisory
https://www.debian.org/security/2018/dsa-4172 third party advisory vendor advisory
https://security.gentoo.org/glsa/201909-01 vendor advisory
https://www.oracle.com/security-alerts/cpujul2020.html
https://rt.perl.org/Public/Bug/Display.html?id=132063 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-6798?
CVE-2018-6798 has been scored as a high severity vulnerability.
How to fix CVE-2018-6798?
To fix CVE-2018-6798, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-6798 being actively exploited in the wild?
It is possible that CVE-2018-6798 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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