CVE-2018-20615

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-125

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00018.htmlMailing List, Third Party Advisory
http://www.securityfocus.com/bid/106645Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0275Third Party Advisory
https://usn.ubuntu.com/3858-1/Third Party Advisory
https://www.mail-archive.com/haproxy%40formilux.org/msg32304.html
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00018.htmlMailing List, Third Party Advisory
http://www.securityfocus.com/bid/106645Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0275Third Party Advisory
https://usn.ubuntu.com/3858-1/Third Party Advisory
https://www.mail-archive.com/haproxy%40formilux.org/msg32304.html

Timeline

Published: Mar 21, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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