CVE-2018-14645

Description

A flaw was discovered in the HPACK decoder of HAProxy, before 1.8.14, that is used for HTTP/2. An out-of-bounds read access in hpack_valid_idx() resulted in a remote crash and denial of service.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.15%
Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: [UNKNOWN] haproxy
Published at:
Updated at:

References

Link Tags
https://usn.ubuntu.com/3780-1/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:2882 third party advisory vendor advisory
https://www.mail-archive.com/haproxy%40formilux.org/msg31253.html mailing list
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645 issue tracking third party advisory mitigation
https://access.redhat.com/errata/RHBA-2019:0028 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-14645?
CVE-2018-14645 has been scored as a high severity vulnerability.
How to fix CVE-2018-14645?
To fix CVE-2018-14645, 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-2018-14645 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-14645 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-14645?
CVE-2018-14645 affects [UNKNOWN] haproxy.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.