CVE-2018-14645

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-09-21 · updated 2026-06-17
Weakness: CWE-125

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.

Affected products

Canonical Ubuntu Linux: 18.04
HAProxy: through 1.8.14
Red Hat Enterprise Linux: 7.0, 7.3, 7.4, 7.5, 7.6
Openshift: 3.10
Red Hat OpenShift Container Platform 4.18: 3.9

References

https://access.redhat.com/errata/RHBA-2019:0028
https://access.redhat.com/errata/RHSA-2018:2882
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645
https://usn.ubuntu.com/3780-1/
https://www.mail-archive.com/haproxy%40formilux.org/msg31253.html
https://access.redhat.com/errata/RHBA-2019:0028
https://access.redhat.com/errata/RHSA-2018:2882
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645
https://usn.ubuntu.com/3780-1/
https://www.mail-archive.com/haproxy%40formilux.org/msg31253.html

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