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Security advisory

Type: advisorySources: OSVCVE: CVE-2023-29550

Memory safety bugs present in Firefox 111 and Firefox ESR 102.9. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2023-29550
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 18:38 UTC · Revision 1

Source evidence

CVE-2023-29550

core-osv · Original source

Published 2 Jun 2023, 00:00 UTC

Memory safety bugs present in Firefox 111 and Firefox ESR 102.9. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.

osv:CVE-2023-29550
Complete source record
{
  "id": "2fde97b1f1479cf2452b1ea642735f48d7ff3d2124f71a3d54e763c20f8e71f4",
  "url": "https://osv.dev/vulnerability/CVE-2023-29550",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-29550",
    "summary": "Memory safety bugs present in Firefox 111 and Firefox ESR 102.9. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.",
    "evidence": "osv:CVE-2023-29550",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-29550",
      "aliases": [
        "CVE-2023-29550"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mozilla-mobile/firefox-ios",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6bb65a47f78392c448096bc1c336f8c5646faca5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:android:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "112.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "20.1",
            "AuroraV15",
            "AuroraV14",
            "AuroraV13",
            "AuroraV11",
            "AuroraV10",
            "AuroraV8",
            "AuroraV7",
            "AuroraV6",
            "AuroraV2",
            "AuroraV1",
            "AuroraV3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-29550.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:38.178391924Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/29xxx/CVE-2023-29550.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-29550",
        "https://www.mozilla.org/security/advisories/mfsa2023-13/",
        "https://www.mozilla.org/security/advisories/mfsa2023-14/",
        "https://www.mozilla.org/security/advisories/mfsa2023-15/",
        "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1720594%2C1812498%2C1814217%2C1818357%2C1751945%2C1818762%2C1819493%2C1820389%2C1820602%2C1821448%2C1822413%2C1824828"
      ],
      "provider_metadata": {
        "cna_assigner": "mozilla",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "112"
                  },
                  {
                    "fixed": "112"
                  },
                  {
                    "fixed": "102.10"
                  },
                  {
                    "fixed": "112"
                  },
                  {
                    "fixed": "102.10"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "SplitRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/29xxx/CVE-2023-29550.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-29550",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505772,
  "published_at": "2023-06-02T00:00:00+00:00"
}