CVE-2022-38477

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{"affected": [{"affectedData": [{"product": "Firefox ESR", "vendor": "Mozilla", "versions": [{"lessThan": "102.2", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "102.2", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "104", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@mozilla.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "70DE2928-97D5-4674-9A65-11445420644E", "versionEndExcluding": "104.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", "matchCriteriaId": "0676B69A-BDB8-4100-9C62-4D2633B19262", "versionEndExcluding": "102.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "matchCriteriaId": "1F06C33C-80A6-43FA-AB90-8FD3339DFFD4", "versionEndExcluding": "102.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Mozilla developer Nika Layzell and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 103 and Firefox ESR 102.1. 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 ESR < 102.2, Thunderbird < 102.2, and Firefox < 104."}, {"lang": "es", "value": "La desarrolladora de Mozilla, Nika Layzell, y el equipo Mozilla Fuzzing informaron errores de seguridad de la memoria presentes en Firefox 103 y Firefox ESR 102.1. Algunos de estos errores mostraron evidencia de corrupci\u00f3n de memoria y suponemos que con suficiente esfuerzo algunos de ellos podr\u00edan haberse aprovechado para ejecutar c\u00f3digo arbitrario. Esta vulnerabilidad afecta a Firefox ESR &lt; 102.2, Thunderbird &lt; 102.2 y Firefox &lt; 104."}], "id": "CVE-2022-38477", "lastModified": "2026-06-17T04:56:42.827", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-38477", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-04-15T17:21:30.476502Z", "version": "2.0.3"}}]}, "published": "2022-12-22T20:15:37.380", "references": [{"source": "security@mozilla.org", "tags": ["Issue Tracking", "Not Applicable", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1760611%2C1770219%2C1771159%2C1773363"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2022-33/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2022-34/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2022-36/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Not Applicable", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1760611%2C1770219%2C1771159%2C1773363"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2022-33/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2022-34/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2022-36/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Mozilla developers and community as the original reporter.", "affected_release": [{"advisory": "RHSA-2022:6169", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:91.13.0-1.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2022-08-24T00:00:00Z"}, {"advisory": "RHSA-2022:6179", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:91.13.0-1.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2022-08-24T00:00:00Z"}, {"advisory": "RHSA-2022:6164", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "thunderbird-0:91.13.0-1.el8_6", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-08-24T00:00:00Z"}, {"advisory": "RHSA-2022:6175", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "firefox-0:91.13.0-1.el8_6", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-08-24T00:00:00Z"}, {"advisory": "RHSA-2022:6167", "cpe": "cpe:/a:redhat:rhel_e4s:8.1", "package": "thunderbird-0:91.13.0-1.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions", "release_date": "2022-08-24T00:00:00Z"}, {"advisory": "RHSA-2022:6178", "cpe": "cpe:/a:redhat:rhel_e4s:8.1", "package": "firefox-0:91.13.0-1.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions", "release_date": "2022-08-24T00:00:00Z"}, {"advisory": "RHSA-2022:6168", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "thunderbird-0:91.13.0-1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2022-08-24T00:00:00Z"}, {"advisory": "RHSA-2022:6177", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "firefox-0:91.13.0-1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2022-08-24T00:00:00Z"}, {"advisory": "RHSA-2022:6166", "cpe": "cpe:/a:redhat:rhel_eus:8.4", "package": "thunderbird-0:91.13.0-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2022-08-24T00:00:00Z"}, {"advisory": "RHSA-2022:6176", "cpe": "cpe:/a:redhat:rhel_eus:8.4", "package": "firefox-0:91.13.0-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2022-08-24T00:00:00Z"}, {"advisory": "RHSA-2022:6165", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "thunderbird-0:91.13.0-1.el9_0", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-08-24T00:00:00Z"}, {"advisory": "RHSA-2022:6174", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "firefox-0:91.13.0-1.el9_0", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-08-24T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Memory safety bugs fixed in Firefox 104 and Firefox ESR 102.2", "id": "2120695", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2120695"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-120", "details": ["Mozilla developer Nika Layzell and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 103 and Firefox ESR 102.1. 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 ESR < 102.2, Thunderbird < 102.2, and Firefox < 104.", "A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of Mozilla developer Nika Layzell and the Mozilla Fuzzing Team, reporting memory safety bugs present in Firefox 103 and Firefox ESR 102.1. 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."], "name": "CVE-2022-38477", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2022-08-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-38477\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-38477\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2022-34/#CVE-2022-38477"], "threat_severity": "Important"}

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