{"id":"CVE-2019-9516","details":"Some HTTP/2 implementations are vulnerable to a header leak, potentially leading to a denial of service. The attacker sends a stream of headers with a 0-length header name and 0-length header value, optionally Huffman encoded into 1-byte or greater headers. Some implementations allocate memory for these headers and keep the allocation alive until the session dies. This can consume excess memory.","modified":"2026-04-16T04:37:07.199422211Z","published":"2019-08-13T21:15:12.583Z","related":["ALSA-2019:2799","ALSA-2019:2925","SUSE-SU-2019:14246-1","SUSE-SU-2019:2254-1","SUSE-SU-2019:2259-1","SUSE-SU-2019:2260-1","SUSE-SU-2019:2309-1","SUSE-SU-2019:2559-1","SUSE-SU-2020:0059-1","openSUSE-SU-2019:2114-1","openSUSE-SU-2019:2115-1","openSUSE-SU-2019:2120-1","openSUSE-SU-2019:2264-1","openSUSE-SU-2024:11092-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZQGHE3WTYLYAYJEIDJVF2FIGQTAYPMC/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TAZZEVTCN2B4WT6AIBJ7XGYJMBTORJU5/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XHTKU7YQ5EEP2XNSAV4M4VJ7QCBOJMOD/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CMNFX5MNYRWWIMO4BTKYQCGUDMHO3AXP/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/POPAEC4FWL4UU4LDEGPY5NPALU24FFQD/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BP556LEG3WENHZI5TAQ6ZEBFTJB4E2IS/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H472D5HPXN6RRXCNFML3BK5OYC52CXF2/"},{"type":"WEB","url":"https://support.f5.com/csp/article/K02591030?utm_source=f5support&amp%3Butm_medium=RSS"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00032.html"},{"type":"ADVISORY","url":"https://kc.mcafee.com/corporate/index?page=content&id=SB10296"},{"type":"ADVISORY","url":"https://seclists.org/bugtraq/2019/Aug/24"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00031.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2746"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2799"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:3933"},{"type":"ADVISORY","url":"https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2745"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2925"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2939"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20190823-0005/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2019/Aug/16"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2950"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2955"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:3935"},{"type":"ADVISORY","url":"https://support.f5.com/csp/article/K02591030"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00014.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2775"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2966"},{"type":"ADVISORY","url":"https://kb.cert.org/vuls/id/605641/"},{"type":"ADVISORY","url":"https://www.synology.com/security/advisory/Synology_SA_19_33"},{"type":"ADVISORY","url":"https://seclists.org/bugtraq/2019/Aug/40"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20190823-0002/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2019/dsa-4505"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2946"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:3932"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4099-1/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/trafficserver","events":[{"introduced":"27f8e2cda9133864e6ffae0224c799fde5f10290"},{"last_affected":"eaed59510bda6f1d27854d9d3f07aace2afffc16"},{"introduced":"6c1c6cf20e7d0e287d697a0f4181436013d17c30"},{"last_affected":"e249f4a2c70ead73b281948459eb6369b3cbfaa4"},{"introduced":"b310e3566f58dd04ec2b15b111ec86ea70e20019"},{"last_affected":"e92757040355baa6edc8896564e2e49d5232e149"},{"introduced":"0"},{"last_affected":"b14030656330ed623cd1f9efe2f4f9abd9d16e29"},{"introduced":"0"},{"last_affected":"3fa146678bc6a061722f4ea930998ae29ad70de3"},{"introduced":"0"},{"last_affected":"a57be23251358e6ac97442ebde3dae8d95d94846"},{"introduced":"0"},{"last_affected":"b14030656330ed623cd1f9efe2f4f9abd9d16e29"},{"introduced":"0"},{"last_affected":"3fa146678bc6a061722f4ea930998ae29ad70de3"},{"introduced":"0"},{"last_affected":"65522291f233179e0801cea2d0355120843ce025"},{"introduced":"0"},{"last_affected":"b310e3566f58dd04ec2b15b111ec86ea70e20019"}],"datab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