CVE-2018-20615 - CVE House
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Status published High CVE-2018-20615

An out-of-bounds read issue was discovered in the HTTP/2 protocol...

Vulnerability Description

An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can result in a crash. The processing of the PRIORITY flag in a HEADERS frame requires 5 extra bytes, and while these bytes are skipped, the total frame length was not re-checked to make sure they were present in the frame.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

haproxy, leap, ubuntu linux, openshift container platform, enterprise linux
Vulnerable Versions:
1.8.0, 1.9.0, 15.0, 16.04, 18.04, 18.10, 3.11, 7.0, 7.4, 7.5, 7.6

Timeline

Official Publish: March 18th, 2019
Last Modified: August 5th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.