Skip to content
Heist/ feed
Back to feed
UnratedFix available

Security update for libsoup

Type: advisorySources: OSV

This update for libsoup fixes the following issues: - CVE-2026-12478: websocket: Fix out-of-bounds read when reading unmasked frame (bsc#1271401). - CVE-2026-12547: Header 'Proxy-Authorization' leads to credentials being send to different proxy after proxy switch (bsc#1272195). - CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol violation (bsc#1271446). - CVE-2026-15712: SoupClientMessageIOHTTP2: HTTP/2 GOAWAY frame parsing heap buffer over-read via invalid NUL- termination assumption (bsc#1271447). - CVE-2026-15714: SoupMultipartInputStream: libsoup: Out-of-bounds read in soup_multipart_input_stream_read_headers via an oversized multipart boundary string (bsc#1271449). - CVE-2026-66339: proxy credentials leak to destination server via `Proxy-Authorization` header in CONNECT tunnels (bsc#1273156).

Products
libsoup
Affected versions
Not specified
Fixed versions
3.0.4-150400.3.52.1
CVEs
CVE-2026-12478, CVE-2026-12547, CVE-2026-15711, CVE-2026-15712, CVE-2026-15714, CVE-2026-66339
Confirmed fixed CVEs
Not specified
Updated in this feed
28 Oct 2026, 10:03 UTC · Revision 1

Source evidence

Security update for libsoup

core-osv · Original source

Published 7 Oct 2026, 08:50 UTC

This update for libsoup fixes the following issues: - CVE-2026-12478: websocket: Fix out-of-bounds read when reading unmasked frame (bsc#1271401). - CVE-2026-12547: Header 'Proxy-Authorization' leads to credentials being send to different proxy after proxy switch (bsc#1272195). - CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol violation (bsc#1271446). - CVE-2026-15712: SoupClientMessageIOHTTP2: HTTP/2 GOAWAY frame parsing heap buffer over-read via invalid NUL- termination assumption (bsc#1271447). - CVE-2026-15714: SoupMultipartInputStream: libsoup: Out-of-bounds read in soup_multipart_input_stream_read_headers via an oversized multipart boundary string (bsc#1271449). - CVE-2026-66339: proxy credentials leak to destination server via `Proxy-Authorization` header in CONNECT tunnels (bsc#1273156).

osv:SUSE-SU-2026:4557-1

libsoup

Fixed versions: 3.0.4-150400.3.52.1

libsoup

Fixed versions: 3.0.4-150400.3.52.1

libsoup

Fixed versions: 3.0.4-150400.3.52.1

libsoup

Fixed versions: 3.0.4-150400.3.52.1

libsoup

Fixed versions: 3.0.4-150400.3.52.1

libsoup

Fixed versions: 3.0.4-150400.3.52.1

libsoup

Fixed versions: 3.0.4-150400.3.52.1

libsoup

Fixed versions: 3.0.4-150400.3.52.1

Complete source record
{
  "id": "ccf3a0e224cc45856c7752694c3762413dbd9877117b8ff6a2897889f9bd13b8",
  "url": "https://osv.dev/vulnerability/SUSE-SU-2026%3A4557-1",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Security update for libsoup",
    "summary": "This update for libsoup fixes the following issues: - CVE-2026-12478: websocket: Fix out-of-bounds read when reading unmasked frame (bsc#1271401). - CVE-2026-12547: Header 'Proxy-Authorization' leads to credentials being send to different proxy after proxy switch (bsc#1272195). - CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol violation (bsc#1271446). - CVE-2026-15712: SoupClientMessageIOHTTP2: HTTP/2 GOAWAY frame parsing heap buffer over-read via invalid NUL- termination assumption (bsc#1271447). - CVE-2026-15714: SoupMultipartInputStream: libsoup: Out-of-bounds read in soup_multipart_input_stream_read_headers via an oversized multipart boundary string (bsc#1271449). - CVE-2026-66339: proxy credentials leak to destination server via `Proxy-Authorization` header in CONNECT tunnels (bsc#1273156).",
    "evidence": "osv:SUSE-SU-2026:4557-1",
    "products": [
      {
        "name": {
          "value": "libsoup",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.0.4-150400.3.52.1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libsoup",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.0.4-150400.3.52.1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libsoup",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.0.4-150400.3.52.1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libsoup",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.0.4-150400.3.52.1",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libsoup",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.0.4-150400.3.52.1",
            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libsoup",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.0.4-150400.3.52.1",
            "evidence": "/affected/5/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libsoup",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.0.4-150400.3.52.1",
            "evidence": "/affected/6/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libsoup",
          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.0.4-150400.3.52.1",
            "evidence": "/affected/7/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "SUSE-SU-2026:4557-1",
      "aliases": [
        "SUSE-SU-2026:4557-1"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.0.4-150400.3.52.1"
                }
              ]
            }
          ],
          "package": {
            "name": "libsoup",
            "purl": "pkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOS",
            "ecosystem": "SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4557-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "libsoup-lang": "3.0.4-150400.3.52.1",
                "libsoup-3_0-0": "3.0.4-150400.3.52.1",
                "libsoup-devel": "3.0.4-150400.3.52.1",
                "typelib-1_0-Soup-3_0": "3.0.4-150400.3.52.1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.0.4-150400.3.52.1"
                }
              ]
            }
          ],
          "package": {
            "name": "libsoup",
            "purl": "pkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSS",
            "ecosystem": "SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4557-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "libsoup-lang": "3.0.4-150400.3.52.1",
                "libsoup-3_0-0": "3.0.4-150400.3.52.1",
                "libsoup-devel": "3.0.4-150400.3.52.1",
                "typelib-1_0-Soup-3_0": "3.0.4-150400.3.52.1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.0.4-150400.3.52.1"
                }
              ]
            }
          ],
          "package": {
            "name": "libsoup",
            "purl": "pkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOS",
            "ecosystem": "SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4557-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "libsoup-lang": "3.0.4-150400.3.52.1",
                "libsoup-3_0-0": "3.0.4-150400.3.52.1",
                "libsoup-devel": "3.0.4-150400.3.52.1",
                "typelib-1_0-Soup-3_0": "3.0.4-150400.3.52.1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.0.4-150400.3.52.1"
                }
              ]
            }
          ],
          "package": {
            "name": "libsoup",
            "purl": "pkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSS",
            "ecosystem": "SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4557-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "libsoup-lang": "3.0.4-150400.3.52.1",
                "libsoup-3_0-0": "3.0.4-150400.3.52.1",
                "libsoup-devel": "3.0.4-150400.3.52.1",
                "typelib-1_0-Soup-3_0": "3.0.4-150400.3.52.1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.0.4-150400.3.52.1"
                }
              ]
            }
          ],
          "package": {
            "name": "libsoup",
            "purl": "pkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSS",
            "ecosystem": "SUSE:Linux Enterprise Server 15 SP4-LTSS"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4557-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "libsoup-lang": "3.0.4-150400.3.52.1",
                "libsoup-3_0-0": "3.0.4-150400.3.52.1",
                "libsoup-devel": "3.0.4-150400.3.52.1",
                "typelib-1_0-Soup-3_0": "3.0.4-150400.3.52.1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.0.4-150400.3.52.1"
                }
              ]
            }
          ],
          "package": {
            "name": "libsoup",
            "purl": "pkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSS",
            "ecosystem": "SUSE:Linux Enterprise Server 15 SP5-LTSS"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4557-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "libsoup-lang": "3.0.4-150400.3.52.1",
                "libsoup-3_0-0": "3.0.4-150400.3.52.1",
                "libsoup-devel": "3.0.4-150400.3.52.1",
                "typelib-1_0-Soup-3_0": "3.0.4-150400.3.52.1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.0.4-150400.3.52.1"
                }
              ]
            }
          ],
          "package": {
            "name": "libsoup",
            "purl": "pkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4",
            "ecosystem": "SUSE:Linux Enterprise Server for SAP Applications 15 SP4"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4557-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "libsoup-lang": "3.0.4-150400.3.52.1",
                "libsoup-3_0-0": "3.0.4-150400.3.52.1",
                "libsoup-devel": "3.0.4-150400.3.52.1",
                "typelib-1_0-Soup-3_0": "3.0.4-150400.3.52.1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.0.4-150400.3.52.1"
                }
              ]
            }
          ],
          "package": {
            "name": "libsoup",
            "purl": "pkg:rpm/suse/libsoup&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5",
            "ecosystem": "SUSE:Linux Enterprise Server for SAP Applications 15 SP5"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4557-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "libsoup-lang": "3.0.4-150400.3.52.1",
                "libsoup-3_0-0": "3.0.4-150400.3.52.1",
                "libsoup-devel": "3.0.4-150400.3.52.1",
                "typelib-1_0-Soup-3_0": "3.0.4-150400.3.52.1"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-08T19:15:05.003072023Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-12478",
        "CVE-2026-12547",
        "CVE-2026-15711",
        "CVE-2026-15712",
        "CVE-2026-15714",
        "CVE-2026-66339"
      ],
      "references": [
        "https://www.suse.com/support/update/announcement/2026/suse-su-20264557-1/",
        "https://bugzilla.suse.com/1271401",
        "https://bugzilla.suse.com/1271446",
        "https://bugzilla.suse.com/1271447",
        "https://bugzilla.suse.com/1271449",
        "https://bugzilla.suse.com/1272195",
        "https://bugzilla.suse.com/1273156",
        "https://www.suse.com/security/cve/CVE-2026-12478",
        "https://www.suse.com/security/cve/CVE-2026-12547",
        "https://www.suse.com/security/cve/CVE-2026-15711",
        "https://www.suse.com/security/cve/CVE-2026-15712",
        "https://www.suse.com/security/cve/CVE-2026-15714",
        "https://www.suse.com/security/cve/CVE-2026-66339"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-12478",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-12547",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-15711",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-15712",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-15714",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-66339",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 104489,
  "published_at": "2026-10-07T08:50:59+00:00"
}