CVE-2026-2807 (GCVE-0-2026-2807)
Vulnerability from cvelistv5 – Published: 2026-02-24 13:33 – Updated: 2026-02-24 13:33
VLAI?
Title
Memory safety bugs fixed in Firefox 148 and Thunderbird 148
Summary
Memory safety bugs present in Firefox 147 and Thunderbird 147. 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 < 148.
Severity ?
No CVSS data available.
Assigner
References
Credits
Agi Sferro, Andrew McCreight, Randell Jesup, Tom Schuster
{
"containers": {
"cna": {
"affected": [
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
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"lessThan": "148",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
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}
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"credits": [
{
"lang": "en",
"value": "Agi Sferro, Andrew McCreight, Randell Jesup, Tom Schuster"
}
],
"descriptions": [
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"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Memory safety bugs present in Firefox 147 and Thunderbird 147. 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 148."
}
],
"value": "Memory safety bugs present in Firefox 147 and Thunderbird 147. 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 148."
}
],
"providerMetadata": {
"dateUpdated": "2026-02-24T13:33:34.035Z",
"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"shortName": "mozilla"
},
"references": [
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"name": "Memory safety bugs fixed in Firefox 148 and Thunderbird 148",
"url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1756056%2C1999402%2C2004872%2C2006037%2C2012855"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-13/"
}
],
"title": "Memory safety bugs fixed in Firefox 148 and Thunderbird 148"
}
},
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"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
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"cveId": "CVE-2026-2807",
"datePublished": "2026-02-24T13:33:34.035Z",
"dateReserved": "2026-02-19T15:07:07.640Z",
"dateUpdated": "2026-02-24T13:33:34.035Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-2807\",\"sourceIdentifier\":\"security@mozilla.org\",\"published\":\"2026-02-24T14:16:29.220\",\"lastModified\":\"2026-02-24T14:16:29.220\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Memory safety bugs present in Firefox 147 and Thunderbird 147. 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 148.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1756056%2C1999402%2C2004872%2C2006037%2C2012855\",\"source\":\"security@mozilla.org\"},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2026-13/\",\"source\":\"security@mozilla.org\"}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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