CVE-2019-18860

Description

Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.cgi.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 5.83% Top 10%
Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/squid-cache/squid/pull/504 third party advisory patch
https://github.com/squid-cache/squid/pull/505 third party advisory patch
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html mailing list third party advisory vendor advisory
https://usn.ubuntu.com/4356-1/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html third party advisory mailing list
https://www.debian.org/security/2020/dsa-4732 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-18860?
CVE-2019-18860 has been scored as a medium severity vulnerability.
How to fix CVE-2019-18860?
To fix CVE-2019-18860, 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-2019-18860 being actively exploited in the wild?
It is possible that CVE-2019-18860 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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