Skip to content
Heist/ feed
Back to feed
UnratedFix available

libsoup: Fix of 3 CVEs

Type: advisorySources: OSV

- CVE-2026-12548: cap the header block passed to soup_headers_parse() at 256K, preventing an int truncation of the length parameter and the resulting heap over-read when parsing multipart messages

Products
libsoup, libsoup-devel, libsoup-doc
Affected versions
Not specified
Fixed versions
2.72.0-10.el9_2.3.tuxcare.els10
CVEs
CVE-2026-12548
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 10:45 UTC · Revision 1

Source evidence

libsoup: Fix of 3 CVEs

core-osv · Original source

Published 10 Sept 2026, 08:13 UTC

- CVE-2026-12548: cap the header block passed to soup_headers_parse() at 256K, preventing an int truncation of the length parameter and the resulting heap over-read when parsing multipart messages

osv:CLSA-2026-1788856994

libsoup

Fixed versions: 2.72.0-10.el9_2.3.tuxcare.els10

libsoup-devel

Fixed versions: 2.72.0-10.el9_2.3.tuxcare.els10

libsoup-doc

Fixed versions: 2.72.0-10.el9_2.3.tuxcare.els10

Complete source record
{
  "id": "1bc6156c2ac3dfc20af894fae0ddd0b6528392707aebb224fb1169c0a985f6a7",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1788856994",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "libsoup: Fix of 3 CVEs",
    "summary": "- CVE-2026-12548: cap the header block passed to soup_headers_parse() at 256K, preventing an int truncation of the length parameter and the resulting heap over-read when parsing multipart messages",
    "evidence": "osv:CLSA-2026-1788856994",
    "products": [
      {
        "name": {
          "value": "libsoup",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.72.0-10.el9_2.3.tuxcare.els10",
            "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.els10",
            "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.els10",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1788856994",
      "aliases": [
        "CLSA-2026-1788856994"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.72.0-10.el9_2.3.tuxcare.els10"
                }
              ]
            }
          ],
          "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-2026-1788856994.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.72.0-10.el9_2.3.tuxcare.els10"
                }
              ]
            }
          ],
          "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-2026-1788856994.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.72.0-10.el9_2.3.tuxcare.els10"
                }
              ]
            }
          ],
          "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-2026-1788856994.json"
          }
        }
      ],
      "modified": "2026-10-26T09:30:46.203398055Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-12548"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1788856994.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-12548",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-66337",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-66338"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-12548",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 447232,
  "published_at": "2026-09-10T08:13:11+00:00"
}