{"id":"CVE-2018-20615","aliases":["DEBIAN-CVE-2018-20615","EUVD-2018-13166","GHSA-w4g5-v736-j48g","RHBA-2019:0326","RHSA-2019:0275","RHSA-2019:0547","RHSA-2019:0548","SUSE-SU-2019:0232-1","UBUNTU-CVE-2018-20615","USN-3858-1","openSUSE-SU-2019:0166-1","openSUSE-SU-2024:10839-1"],"status":"published","title":"An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1...","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.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.04459,"percentile":0.91497,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2018-12-31T00:00:00Z","modified":"2026-11-02T02:45:06Z","fixes":[{"ecosystem":"Debian:12","package":"haproxy","fixed_in":["1.8.16-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"haproxy","fixed_in":["1.8.16-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"haproxy","fixed_in":["1.8.16-2"],"sources":["osv"]},{"ecosystem":"Red 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