CVE-2018-6798 Information disclosure in n/a

What is CVE-2018-6798?

CVE-2018-6798 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 17 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-125

Which versions are affected by CVE-2018-6798?

It affects 5 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Perl Perl, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.

How do I fix CVE-2018-6798?

Upgrade to a fixed version.

Is CVE-2018-6798 being exploited?

There is no known exploitation of CVE-2018-6798 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2018-6798, CLEANSTART-2026-SI51157, DEBIAN-CVE-2018-6798, GHSA-pfh3-76fp-4978, UBUNTU-CVE-2018-6798.