CVE-2023-5176

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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 < 118, Firefox ESR < 115.3, and Thunderbird < 115.3."}, {"lang": "es", "value": "Errores de seguridad de la memoria presentes en Firefox 117, Firefox ESR 115.2 y Thunderbird 115.2. 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 &lt; 118, Firefox ESR &lt; 115.3 y Thunderbird &lt; 115.3."}], "id": "CVE-2023-5176", "lastModified": "2026-06-17T06:47:43.523", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-5176", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-04-23T13:27:06.971475Z", "version": "2.0.3"}}]}, "published": "2023-09-27T15:19:42.767", "references": [{"source": "security@mozilla.org", "tags": ["Broken Link", "Issue Tracking", "Permissions Required"], "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1836353%2C1842674%2C1843824%2C1843962%2C1848890%2C1850180%2C1850983%2C1851195"}, {"source": "security@mozilla.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00034.html"}, {"source": "security@mozilla.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00015.html"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5506"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5513"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2023-41/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2023-42/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2023-43/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Issue Tracking", "Permissions Required"], "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1836353%2C1842674%2C1843824%2C1843962%2C1848890%2C1850180%2C1850983%2C1851195"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00034.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00015.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5506"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5513"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2023-41/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2023-42/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2023-43/"}], "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 Andrew McCreight, Andr\u00e9 Bargull, Chris Peterson, and the Mozilla project for reporting this issue. Upstream acknowledges Nika Layzell and the Mozilla Fuzzing Team as the original reporter.", "affected_release": [{"advisory": "RHSA-2023:5475", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:115.3.1-1.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2023-10-05T00:00:00Z"}, {"advisory": "RHSA-2023:5477", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:115.3.1-1.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2023-10-05T00:00:00Z"}, {"advisory": "RHSA-2023:5428", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "thunderbird-0:115.3.1-1.el8_8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-10-04T00:00:00Z"}, {"advisory": "RHSA-2023:5433", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "firefox-0:115.3.1-1.el8_8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-10-04T00:00:00Z"}, {"advisory": "RHSA-2023:5438", "cpe": "cpe:/a:redhat:rhel_e4s:8.1", 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Telecommunications Update Service", "release_date": "2023-10-04T00:00:00Z"}, {"advisory": "RHSA-2023:5432", "cpe": "cpe:/a:redhat:rhel_tus:8.2", "package": "thunderbird-0:115.3.1-1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Telecommunications Update Service", "release_date": "2023-10-04T00:00:00Z"}, {"advisory": "RHSA-2023:5426", "cpe": "cpe:/a:redhat:rhel_e4s:8.2", "package": "firefox-0:115.3.1-1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions", "release_date": "2023-10-04T00:00:00Z"}, {"advisory": "RHSA-2023:5432", "cpe": "cpe:/a:redhat:rhel_e4s:8.2", "package": "thunderbird-0:115.3.1-1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions", "release_date": "2023-10-04T00:00:00Z"}, {"advisory": "RHSA-2023:5429", "cpe": "cpe:/a:redhat:rhel_aus:8.4", "package": "thunderbird-0:115.3.1-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2023-10-04T00:00:00Z"}, {"advisory": "RHSA-2023:5437", "cpe": "cpe:/a:redhat:rhel_aus:8.4", "package": "firefox-0:115.3.1-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2023-10-04T00:00:00Z"}, {"advisory": "RHSA-2023:5429", "cpe": "cpe:/a:redhat:rhel_tus:8.4", "package": "thunderbird-0:115.3.1-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2023-10-04T00:00:00Z"}, {"advisory": "RHSA-2023:5437", "cpe": "cpe:/a:redhat:rhel_tus:8.4", "package": "firefox-0:115.3.1-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2023-10-04T00:00:00Z"}, {"advisory": "RHSA-2023:5429", "cpe": "cpe:/a:redhat:rhel_e4s:8.4", "package": "thunderbird-0:115.3.1-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2023-10-04T00:00:00Z"}, {"advisory": "RHSA-2023:5437", "cpe": "cpe:/a:redhat:rhel_e4s:8.4", "package": "firefox-0:115.3.1-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2023-10-04T00:00:00Z"}, {"advisory": "RHSA-2023:5430", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "thunderbird-0:115.3.1-1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2023-10-04T00:00:00Z"}, {"advisory": "RHSA-2023:5436", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "firefox-0:115.3.1-1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2023-10-04T00:00:00Z"}, {"advisory": "RHSA-2023:5434", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "firefox-0:115.3.1-1.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-10-04T00:00:00Z"}, {"advisory": "RHSA-2023:5435", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "thunderbird-0:115.3.1-1.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-10-04T00:00:00Z"}, {"advisory": "RHSA-2023:5427", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "firefox-0:115.3.1-1.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2023-10-04T00:00:00Z"}, {"advisory": "RHSA-2023:5439", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "thunderbird-0:115.3.1-1.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2023-10-04T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Memory safety bugs fixed in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3", "id": "2240896", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2240896"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-120", "details": ["Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. 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 < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.", "A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as: Memory safety bugs are present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. 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-2023-5176", "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": "2023-09-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-5176\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-5176"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "threat_severity": "Important"}

{}