CVE-2018-14645
HIGHCVSS 7.5/10EPSS 2.98%
Last modified
CVE-2018-14645 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 2.98% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Haproxy | Haproxy | <= 1.8.14 |
| Canonical | Ubuntu Linux | 18.04 |
| Redhat | Openshift | 3.10 |
| Redhat | Openshift Container Platform | 3.9 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux | 7.3 |
| Redhat | Enterprise Linux | 7.4 |
| Redhat | Enterprise Linux | 7.5 |
| Redhat | Enterprise Linux | 7.6 |
References
- https://access.redhat.com/errata/RHSA-2018:2882Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645Issue Tracking, Mitigation, Third Party Advisory
- https://usn.ubuntu.com/3780-1/Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2882Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645Issue Tracking, Mitigation, Third Party Advisory
- https://usn.ubuntu.com/3780-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-14645?
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.
How severe is CVE-2018-14645?
CVE-2018-14645 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.98% probability of exploitation in the next 30 days.
How do I fix CVE-2018-14645?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2018-14645?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST