libsoup: Fix of 6 CVEs

{
  "id": "38ee9816ea1947a9216f952f3ff14422da5c21eb03678c2952683f71741096c0",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1792599160",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "libsoup: Fix of 6 CVEs",
    "summary": "- CVE-2026-102555: decode base64 data: URI content with g_base64_decode_step() over the real buffer length in soup_request_data_send(), so a percent-encoded NUL no longer truncates the payload, leaks the decode buffer and raises a GLib-CRITICAL - CVE-2026-102556: emit the WebSocket ::pong signal with a GBytes, as the signal and the public header have always declared, instead of a GByteArray, removing the type confusion a crafted Pong frame could turn into heap corruption in any handler that honours the documented API - CVE-2026-102557: cap a reassembled WebSocket message at what a GByteArray can hold before each fragment is appended in process_contents(), so a run of fragments can no longer truncate the guint size passed to g_byte_array_sized_new()/g_byte_array_append() while the full length is used - CVE-2026-102558: reject an incoming frame whose declared payload exceeds what the receive buffer can represent as soon as the header is parsed, so the incoming GByteArray can no longer grow until g_byte_array_set_size() wraps and the read writes past the allocation - CVE-2026-102559: reject an outgoing payload above MAX_OUTGOING_PAYLOAD_SIZE in send_message(), both before and after extensions have processed it, so a masked client frame can no longer be built in a truncated GByteArray while xor_with_mask() writes the full payload length past the allocation - CVE-2026-102560: refuse an outgoing permessage-deflate payload whose deflateBound() exceeds G_MAXUINT and bound every incre",
    "evidence": "osv:CLSA-2026-1792599160",
    "products": [
      {
        "name": {
          "value": "libsoup",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.72.0-10.el9_2.3.tuxcare.els13",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libsoup-devel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.72.0-10.el9_2.3.tuxcare.els13",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libsoup-doc",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.72.0-10.el9_2.3.tuxcare.els13",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1792599160",
      "aliases": [
        "CLSA-2026-1792599160"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.72.0-10.el9_2.3.tuxcare.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "libsoup",
            "purl": "pkg:rpm/tuxcare/libsoup?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792599160.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.72.0-10.el9_2.3.tuxcare.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "libsoup-devel",
            "purl": "pkg:rpm/tuxcare/libsoup-devel?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792599160.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.72.0-10.el9_2.3.tuxcare.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "libsoup-doc",
            "purl": "pkg:rpm/tuxcare/libsoup-doc?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792599160.json"
          }
        }
      ],
      "modified": "2026-10-26T09:31:01.469866188Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-102555",
        "CVE-2026-102556",
        "CVE-2026-102557",
        "CVE-2026-102558",
        "CVE-2026-102559",
        "CVE-2026-102560"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1792599160.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-102555",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-102556",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-102557",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-102558",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-102559",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-102560"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-102555",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-102556",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-102557",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-102558",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-102559",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-102560",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 447389,
  "published_at": "2026-10-21T16:12:56+00:00"
}