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CVE-2026-4271

🗓️ 17 Mar 2026 11:14:21Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 16 Views

Libsoup HTTP/2 server use-after-free causes denial of service from crafted requests.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-4271
17 Mar 202611:14
attackerkb
CNNVD
libsoup 安全漏洞
17 Mar 202600:00
cnnvd
Cvelist
CVE-2026-4271 Libsoup: libsoup: denial of service via use-after-free in http/2 server
17 Mar 202611:14
cvelist
Debian CVE
CVE-2026-4271
17 Mar 202611:14
debiancve
Oracle linux
libsoup3 security update
11 May 202600:00
oraclelinux
EUVD
EUVD-2026-12568
17 Mar 202612:30
euvd
NVD
CVE-2026-4271
17 Mar 202612:16
nvd
Tenable Nessus
openSUSE 16 Security Update : libsoup (openSUSE-SU-2026:20845-1)
2 Jun 202600:00
nessus
Tenable Nessus
Oracle Linux 10 : libsoup3 (ELSA-2026-15968)
11 May 202600:00
nessus
Tenable Nessus
RHEL 10 : libsoup3 (RHSA-2026:15968)
11 May 202600:00
nessus
Rows per page
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libsoup3",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:3.6.5-3.el10_1.11",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10.1"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libsoup3",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:3.6.5-3.el10_2.11",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10.2"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10.0 Extended Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libsoup3",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:3.6.5-3.el10_0.15",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux_eus:10.0"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 6",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libsoup",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:6"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libsoup",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libsoup",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libsoup",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  }
]

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19 May 2026 22:16Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.3 - 7.5
EPSS0.00931
SSVC
16