CVE-2025-8027

{"id": "CVE-2025-8027", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-8027", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2025-07-23T13:42:23.408460Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security@mozilla.org", "affectedData": [{"vendor": "Mozilla", "product": "Firefox", "versions": [{"status": "unaffected", "version": "115.26", "versionType": "rpm", "lessThanOrEqual": "115.*"}, {"status": "unaffected", "version": "128.13", "versionType": "rpm", "lessThanOrEqual": "128.*"}, {"status": "unaffected", "version": "140.1", "versionType": "rpm", "lessThanOrEqual": "140.*"}, {"status": "unaffected", "version": "141", "versionType": "rpm", "lessThanOrEqual": "*"}]}, {"vendor": "Mozilla", "product": "Thunderbird", "versions": [{"status": "unaffected", "version": "128.13", "versionType": "rpm", "lessThanOrEqual": "128.*"}, {"status": "unaffected", "version": "140.1", "versionType": "rpm", "lessThanOrEqual": "140.*"}, {"status": "unaffected", "version": "141", "versionType": "rpm", "lessThanOrEqual": "*"}]}]}], "published": "2025-07-22T21:15:49.830", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1968423", "tags": ["Permissions Required"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-56/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-57/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-58/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-59/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-61/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-62/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-63/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/07/msg00016.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-457"}]}], "descriptions": [{"lang": "en", "value": "On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1."}, {"lang": "es", "value": "En plataformas de 64 bits, IonMonkey-JIT solo escrib\u00eda 32 bits del espacio de valor de retorno de 64 bits en la pila. Sin embargo, Baseline-JIT le\u00eda los 64 bits completos. Esta vulnerabilidad afecta a Firefox menor que 141, Firefox ESR menor que 115.26, Firefox ESR menor que 128.13, Firefox ESR menor que 140.1, Thunderbird menor que 141, Thunderbird menor que 128.13 y Thunderbird menor que 140.1."}], "lastModified": "2026-10-05T15:10:00.590", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*", "vulnerable": true, "matchCriteriaId": "D697EDEE-5DF4-4FC2-8128-BC9DC23EFFF3", "versionEndExcluding": "115.26.0"}, {"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "8684A46E-D70A-4830-8971-A6DCC360F422", "versionEndExcluding": "141.0"}, {"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*", "vulnerable": true, "matchCriteriaId": "A621920F-5B71-403D-B8F9-EC22F249CD4C", "versionEndExcluding": "128.13.0", "versionStartIncluding": "128.0"}, {"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*", "vulnerable": true, "matchCriteriaId": "BB48C2EF-A6AC-4445-9417-1B65D5BC509B", "versionEndExcluding": "140.1.0", "versionStartIncluding": "140.0"}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*", "vulnerable": true, "matchCriteriaId": "B9BB9B0C-2B49-44EA-9BED-241A8CE8794E", "versionEndExcluding": "128.13.0"}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "95D506DD-BD9B-4D90-802F-5BE673F1CF14", "versionEndExcluding": "141.0"}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*", "vulnerable": true, "matchCriteriaId": "8CE266C2-5AF1-4C57-9B7C-47039FF06384", "versionEndExcluding": "140.1.0", "versionStartIncluding": "140.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}