Source: trafficserver Version: 8.0.3+ds-4 Severity: grave Tags: security upstream Justification: user security hole
Hi, The following vulnerability was published for trafficserver, additionally to #934887. Filling as separate bug as the fixed version ranges slightly differ. CVE-2019-9518[0]: | Some HTTP/2 implementations are vulnerable to a flood of empty frames, | potentially leading to a denial of service. The attacker sends a | stream of frames with an empty payload and without the end-of-stream | flag. These frames can be DATA, HEADERS, CONTINUATION and/or | PUSH_PROMISE. The peer spends time processing each frame | disproportionate to attack bandwidth. This can consume excess CPU. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2019-9518 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9518 Please adjust the affected versions in the BTS as needed. Regards, Salvatore
