ubuntu-cve-2025-6429
Vulnerability from osv_ubuntu
Published
2025-06-24 13:15
Modified
2026-06-24 08:53
Summary
Details
Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an embed tag. This could have bypassed website security checks that restricted which domains users were allowed to embed. This vulnerability was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.
Severity
6.5 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmozjs-52-0",
"binary_version": "52.9.1-0ubuntu0.18.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "mozjs52",
"purl": "pkg:deb/ubuntu/mozjs52@52.9.1-0ubuntu0.18.04.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"52.3.1-0ubuntu3",
"52.3.1-7fakesync1",
"52.8.1-0ubuntu0.18.04.1",
"52.9.1-0ubuntu0.18.04.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmozjs-38-0",
"binary_version": "38.8.0~repack1-0ubuntu4"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "mozjs38",
"purl": "pkg:deb/ubuntu/mozjs38@38.8.0~repack1-0ubuntu4?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"38.8.0~repack1-0ubuntu1",
"38.8.0~repack1-0ubuntu3",
"38.8.0~repack1-0ubuntu4"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmozjs-68-0",
"binary_version": "68.6.0-1ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "mozjs68",
"purl": "pkg:deb/ubuntu/mozjs68@68.6.0-1ubuntu1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"68.5.0-1~fakesync",
"68.5.0-2~fakesync",
"68.6.0-1",
"68.6.0-1ubuntu1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmozjs-52-0",
"binary_version": "52.9.1-1ubuntu3"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "mozjs52",
"purl": "pkg:deb/ubuntu/mozjs52@52.9.1-1ubuntu3?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"52.9.1-1build1",
"52.9.1-1ubuntu3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmozjs-102-0",
"binary_version": "102.15.1-0ubuntu0.22.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "mozjs102",
"purl": "pkg:deb/ubuntu/mozjs102@102.15.1-0ubuntu0.22.04.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"102.11.0-0ubuntu0.22.04.1",
"102.12.0-0ubuntu0.22.04.1",
"102.13.0-0ubuntu0.22.04.1",
"102.15.1-0ubuntu0.22.04.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmozjs-78-0",
"binary_version": "78.15.0-4ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "mozjs78",
"purl": "pkg:deb/ubuntu/mozjs78@78.15.0-4ubuntu1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"78.13.0-1",
"78.15.0-2",
"78.15.0-4ubuntu1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmozjs-91-0",
"binary_version": "91.10.0-0ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "mozjs91",
"purl": "pkg:deb/ubuntu/mozjs91@91.10.0-0ubuntu1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"91.5.1-0ubuntu1",
"91.6.0-1",
"91.6.0-2",
"91.7.0-2",
"91.10.0-0ubuntu1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "thunderbird",
"binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
},
{
"binary_name": "thunderbird-gnome-support",
"binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
},
{
"binary_name": "thunderbird-mozsymbols",
"binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
},
{
"binary_name": "xul-ext-calendar-timezones",
"binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
},
{
"binary_name": "xul-ext-gdata-provider",
"binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
},
{
"binary_name": "xul-ext-lightning",
"binary_version": "1:128.12.0+build1-0ubuntu0.22.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "thunderbird",
"purl": "pkg:deb/ubuntu/thunderbird@1:128.12.0+build1-0ubuntu0.22.04.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:128.12.0+build1-0ubuntu0.22.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:91.1.2+build1-0ubuntu1",
"1:91.3.0+build2-0ubuntu1",
"1:91.3.1+build1-0ubuntu1",
"1:91.3.2+build1-0ubuntu1",
"1:91.4.0+build1.1-0ubuntu1",
"1:91.4.0+build2-0ubuntu1",
"1:91.5.0+build1-0ubuntu1",
"1:91.5.1+build1-0ubuntu1",
"1:91.6.1+build1-0ubuntu1",
"1:91.7.0+build1-0ubuntu1",
"1:91.7.0+build2-0ubuntu1",
"1:91.8.0+build2-0ubuntu1",
"1:91.9.1+build1-0ubuntu0.22.04.1",
"1:91.11.0+build2-0ubuntu0.22.04.1",
"1:102.2.2+build1-0ubuntu0.22.04.1",
"1:102.4.2+build2-0ubuntu0.22.04.1",
"1:102.7.1+build2-0ubuntu0.22.04.1",
"1:102.8.0+build2-0ubuntu0.22.04.1",
"1:102.9.0+build1-0ubuntu0.22.04.1",
"1:102.10.0+build2-0ubuntu0.22.04.1",
"1:102.11.0+build1-0ubuntu0.22.04.1",
"1:102.13.0+build1-0ubuntu0.22.04.1",
"1:102.15.0+build1-0ubuntu0.22.04.1",
"1:102.15.1+build1-0ubuntu0.22.04.1",
"1:115.3.1+build1-0ubuntu0.22.04.2",
"1:115.4.1+build1-0ubuntu0.22.04.1",
"1:115.5.0+build1-0ubuntu0.22.04.1",
"1:115.6.0+build2-0ubuntu0.22.04.1",
"1:115.8.1+build1-0ubuntu0.22.04.1",
"1:115.9.0+build1-0ubuntu0.22.04.1",
"1:115.10.1+build1-0ubuntu0.22.04.1",
"1:115.11.0+build2-0ubuntu0.22.04.1",
"1:115.12.0+build3-0ubuntu0.22.04.1",
"1:115.13.0+build5-0ubuntu0.22.04.1",
"1:115.15.0+build1-0ubuntu0.22.04.1",
"1:115.16.0+build2-0ubuntu0.22.04.1",
"1:115.18.0+build1-0ubuntu0.22.04.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmozjs-102-0t64",
"binary_version": "102.15.1-3ubuntu2"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "mozjs102",
"purl": "pkg:deb/ubuntu/mozjs102@102.15.1-3ubuntu2?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"102.15.1-1",
"102.15.1-3ubuntu2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmozjs-115-0t64",
"binary_version": "115.10.0-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "mozjs115",
"purl": "pkg:deb/ubuntu/mozjs115@115.10.0-1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"115.3.0-0ubuntu1",
"115.4.0-2",
"115.5.0-1",
"115.6.0-1",
"115.7.0-4",
"115.8.0-1",
"115.9.0-1",
"115.9.0-1build1",
"115.10.0-1"
]
}
],
"aliases": [],
"details": "Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an `embed` tag. This could have bypassed website security checks that restricted which domains users were allowed to embed. This vulnerability was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.",
"id": "UBUNTU-CVE-2025-6429",
"modified": "2026-06-24T08:53:25Z",
"published": "2025-06-24T13:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2025-6429"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-6429"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2025-51/#CVE-2025-6429"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2025-53/#CVE-2025-6429"
},
{
"type": "REPORT",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1970658"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/security/advisories/mfsa2025-51/"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/security/advisories/mfsa2025-53/"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-7663-1"
}
],
"related": [
"USN-7663-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2025-6429"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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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