CVE-2026-6777 (GCVE-0-2026-6777)
Vulnerability from cvelistv5
Published
2026-04-21 12:41
Modified
2026-04-21 17:19
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Other issue in the Networking: DNS component. This vulnerability was fixed in Firefox 150.
References
{
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"metrics": [
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"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
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"providerMetadata": {
"dateUpdated": "2026-04-21T17:19:18.744Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"cna": {
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{
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"vendor": "Mozilla",
"versions": [
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"lessThanOrEqual": "*",
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"version": "150",
"versionType": "rpm"
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"providerMetadata": {
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"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
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"references": [
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"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2022726"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-30/"
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"title": "Other issue in the Networking: DNS component"
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"datePublished": "2026-04-21T12:41:08.452Z",
"dateReserved": "2026-04-21T12:41:08.101Z",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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.
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