CVE-2019-9516
Vulnerability from cvelistv5
Published
2019-08-13 20:50
Modified
2024-08-04 21:54
Severity ?
7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Some HTTP/2 implementations are vulnerable to a header leak, potentially leading to a denial of service
References
cret@cert.orghttp://lists.opensuse.org/opensuse-security-announce/2019-09/msg00031.htmlMailing List, Third Party Advisory
cret@cert.orghttp://lists.opensuse.org/opensuse-security-announce/2019-09/msg00032.htmlMailing List, Third Party Advisory
cret@cert.orghttp://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.htmlMailing List, Third Party Advisory
cret@cert.orghttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00014.htmlMailing List, Third Party Advisory
cret@cert.orghttp://seclists.org/fulldisclosure/2019/Aug/16Mailing List, Third Party Advisory
cret@cert.orghttps://access.redhat.com/errata/RHSA-2019:2745Third Party Advisory
cret@cert.orghttps://access.redhat.com/errata/RHSA-2019:2746Third Party Advisory
cret@cert.orghttps://access.redhat.com/errata/RHSA-2019:2775Third Party Advisory
cret@cert.orghttps://access.redhat.com/errata/RHSA-2019:2799Third Party Advisory
cret@cert.orghttps://access.redhat.com/errata/RHSA-2019:2925Third Party Advisory
cret@cert.orghttps://access.redhat.com/errata/RHSA-2019:2939Third Party Advisory
cret@cert.orghttps://access.redhat.com/errata/RHSA-2019:2946Third Party Advisory
cret@cert.orghttps://access.redhat.com/errata/RHSA-2019:2950Third Party Advisory
cret@cert.orghttps://access.redhat.com/errata/RHSA-2019:2955Third Party Advisory
cret@cert.orghttps://access.redhat.com/errata/RHSA-2019:2966Third Party Advisory
cret@cert.orghttps://access.redhat.com/errata/RHSA-2019:3932Third Party Advisory
cret@cert.orghttps://access.redhat.com/errata/RHSA-2019:3933Third Party Advisory
cret@cert.orghttps://access.redhat.com/errata/RHSA-2019:3935Third Party Advisory
cret@cert.orghttps://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.mdThird Party Advisory
cret@cert.orghttps://kb.cert.org/vuls/id/605641/Third Party Advisory, US Government Resource
cret@cert.orghttps://kc.mcafee.com/corporate/index?page=content&id=SB10296Third Party Advisory
cret@cert.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZQGHE3WTYLYAYJEIDJVF2FIGQTAYPMC/
cret@cert.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BP556LEG3WENHZI5TAQ6ZEBFTJB4E2IS/
cret@cert.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CMNFX5MNYRWWIMO4BTKYQCGUDMHO3AXP/
cret@cert.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H472D5HPXN6RRXCNFML3BK5OYC52CXF2/
cret@cert.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/POPAEC4FWL4UU4LDEGPY5NPALU24FFQD/
cret@cert.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TAZZEVTCN2B4WT6AIBJ7XGYJMBTORJU5/
cret@cert.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XHTKU7YQ5EEP2XNSAV4M4VJ7QCBOJMOD/
cret@cert.orghttps://seclists.org/bugtraq/2019/Aug/24Mailing List, Third Party Advisory
cret@cert.orghttps://seclists.org/bugtraq/2019/Aug/40Mailing List, Third Party Advisory
cret@cert.orghttps://security.netapp.com/advisory/ntap-20190823-0002/Third Party Advisory
cret@cert.orghttps://security.netapp.com/advisory/ntap-20190823-0005/Third Party Advisory
cret@cert.orghttps://support.f5.com/csp/article/K02591030Third Party Advisory
cret@cert.orghttps://support.f5.com/csp/article/K02591030?utm_source=f5support&amp%3Butm_medium=RSS
cret@cert.orghttps://usn.ubuntu.com/4099-1/Third Party Advisory
cret@cert.orghttps://www.debian.org/security/2019/dsa-4505Third Party Advisory
cret@cert.orghttps://www.synology.com/security/advisory/Synology_SA_19_33Third Party Advisory
Impacted products
n/an/a
Show details on NVD website

To clipboard 

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        "title": "CVE Program Container"
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    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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      "credits": [
        {
          "lang": "en",
          "value": "Thanks to Jonathan Looney of Netflix for reporting this vulnerability."
        }
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      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
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      "metrics": [
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
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      "problemTypes": [
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            {
              "cweId": "CWE-400",
              "description": "CWE-400 Uncontrolled Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.