{
  "schema_version": "1.7.0",
  "id": "MGASA-2026-0165",
  "published": "2026-05-29T05:12:50Z",
  "modified": "2026-05-29T04:23:34Z",
  "summary": "Updated nspr, nss and firefox(-l10n) packages fix security issues",
  "details": "The updated packages fix security vulnerabilities:\nIncorrect boundary conditions in the Audio/Video: Web Codecs component.\n(CVE-2026-8946)\nIncorrect boundary conditions in the JavaScript Engine: JIT component.\n(CVE-2026-8388)\nUse-after-free in the DOM: Bindings (WebIDL) component. (CVE-2026-8947)\nOther issue in the JavaScript Engine component. (CVE-2026-8391)\nSandbox escape in the Profile Backup component. (CVE-2026-8401)\nSame-origin policy bypass in the Networking: HTTP component.\n(CVE-2026-8950)\nSandbox escape due to use-after-free in the Disability Access APIs\ncomponent. (CVE-2026-8953)\nIncorrect boundary conditions, integer overflow in the Audio/Video\ncomponent. (CVE-2026-8954)\nPrivilege escalation in the DOM: Workers component. (CVE-2026-8955)\nInteger overflow in the Networking: JAR component. (CVE-2026-8956)\nPrivilege escalation in the Enterprise Policies component.\n(CVE-2026-8957)\nInformation disclosure, sandbox escape in the Security: Process\nSandboxing component. (CVE-2026-8958)\nSpoofing issue in the Form Autofill component. (CVE-2026-8961)\nMitigation bypass in the DOM: Security component. (CVE-2026-8962)\nDenial-of-service due to invalid pointer in the Audio/Video: Web Codecs\ncomponent. (CVE-2026-8968)\nPrivilege escalation in the Security component. (CVE-2026-8970)\nMemory safety bugs fixed in Firefox ESR 140.11 and Firefox 151.\n(CVE-2026-8974)\nMemory safety bugs fixed in Firefox ESR 115.36, Firefox ESR 140.11 and\nFirefox 151. (CVE-2026-8975)\n",
  "upstream": [
    "CVE-2026-8388",
    "CVE-2026-8391",
    "CVE-2026-8401",
    "CVE-2026-8946",
    "CVE-2026-8947",
    "CVE-2026-8950",
    "CVE-2026-8953",
    "CVE-2026-8954",
    "CVE-2026-8955",
    "CVE-2026-8956",
    "CVE-2026-8957",
    "CVE-2026-8958",
    "CVE-2026-8961",
    "CVE-2026-8962",
    "CVE-2026-8968",
    "CVE-2026-8970",
    "CVE-2026-8974",
    "CVE-2026-8975"
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://advisories.mageia.org/MGASA-2026-0165.html"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.mageia.org/show_bug.cgi?id=35555"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/a/mozilla.org/g/dev-tech-crypto/c/S3z0rOO1xpg"
    },
    {
      "type": "WEB",
      "url": "https://firefox-source-docs.mozilla.org/security/nss/releases/nss_3_124.html"
    },
    {
      "type": "WEB",
      "url": "https://www.firefox.com/en-US/firefox/140.11.0/releasenotes/"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-48/"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Mageia:9",
        "name": "nspr",
        "purl": "pkg:rpm/mageia/nspr?arch=source&distro=mageia-9"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.39.0-1.mga9"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    },
    {
      "package": {
        "ecosystem": "Mageia:9",
        "name": "nss",
        "purl": "pkg:rpm/mageia/nss?arch=source&distro=mageia-9"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.124.0-1.mga9"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    },
    {
      "package": {
        "ecosystem": "Mageia:9",
        "name": "firefox",
        "purl": "pkg:rpm/mageia/firefox?arch=source&distro=mageia-9"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "140.11.0-1.mga9"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    },
    {
      "package": {
        "ecosystem": "Mageia:9",
        "name": "firefox-l10n",
        "purl": "pkg:rpm/mageia/firefox-l10n?arch=source&distro=mageia-9"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "140.11.0-1.mga9"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    }
  ],
  "credits": [
    {
      "name": "Mageia",
      "type": "COORDINATOR",
      "contact": [
        "https://wiki.mageia.org/en/Packages_Security_Team"
      ]
    }
  ]
}