cve-2025-6436
Vulnerability from cvelistv5
Published
2025-06-24 12:28
Modified
2025-07-14 18:26
Severity ?
EPSS score ?
Summary
Memory safety bugs present in Firefox 139 and Thunderbird 139. 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 < 140 and Thunderbird < 140.
References
Impacted products
▼ | Vendor | Product |
---|---|---|
Mozilla | Firefox | |
Mozilla | Thunderbird |
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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 \u003c 140 and Thunderbird \u003c 140." } ], "value": "Memory safety bugs present in Firefox 139 and Thunderbird 139. 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 \u003c 140 and Thunderbird \u003c 140." } ], "problemTypes": [ { "descriptions": [ { "description": "Memory safety bugs fixed in Firefox 140 and Thunderbird 140", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2025-07-14T18:26:54.057Z", "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla" }, "references": [ { "name": "Memory safety bugs fixed in Firefox 140 and Thunderbird 140", "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1941377%2C1960948%2C1966187%2C1966505%2C1970764" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2025-51/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2025-54/" } ] } }, "cveMetadata": { "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "cveId": "CVE-2025-6436", "datePublished": "2025-06-24T12:28:04.830Z", "dateReserved": "2025-06-20T14:51:44.671Z", "dateUpdated": "2025-07-14T18:26:54.057Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2025-6436\",\"sourceIdentifier\":\"security@mozilla.org\",\"published\":\"2025-06-24T13:15:24.677\",\"lastModified\":\"2025-07-14T19:15:35.423\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Memory safety bugs present in Firefox 139 and Thunderbird 139. 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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.