Critical
qt6-webengine — security advisory
A vulnerability, which was classified as critical, was found in hughsk flat up to 5.0.0. This affects the function unflatten of the file index.js. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). It is possible to initiate the attack remotely. Upgrading to version 5.0.1 is able to address this issue. The name of the patch is 20ef0ef55dfa028caddaedbcb33efbdb04d18e13. It is recommended to upgrade the affected component. The identifier VDB-216777 was assigned to this vulnerability.
- Products
- qt6-webengine
- Affected versions
- 6.10.2+dfsg-1, 6.10.2+dfsg-4, 6.10.2+dfsg-5, 6.11.2+dfsg-3ubuntu1, 6.11.2+dfsg-3ubuntu2, 6.2.2+dfsg-6ubuntu2, 6.2.4+dfsg-1ubuntu1, 6.2.4+dfsg-1ubuntu2, 6.2.4+dfsg-6ubuntu1, 6.4.2-final+dfsg-11, 6.4.2-final+dfsg-12, 6.4.2-final+dfsg-12build1, 6.4.2-final+dfsg-12ubuntu1, 6.4.2-final+dfsg-12ubuntu7, 6.4.2-final+dfsg-12ubuntu9, 6.8.3+dfsg-0ubuntu1, 6.8.3+dfsg-0ubuntu2, 6.9.2+dfsg-2, 6.9.2+dfsg-4, 6.9.2+dfsg-4build1, 6.9.2+dfsg-4build2
- Fixed versions
- Not specified
- CVEs
- CVE-2020-36632
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:52 UTC · Revision 1
Source evidence
A vulnerability, which was classified as critical, was found in hughsk flat up to 5.0.0. This affects the function unflatten of the file index.js. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). It is possible to initiate the attack remotely. Upgrading to version 5.0.1 is able to address this issue. The name of the patch is 20ef0ef55dfa028caddaedbcb33efbdb04d18e13. It is recommended to upgrade the affected component. The identifier VDB-216777 was assigned to this vulnerability.
osv:UBUNTU-CVE-2020-36632
qt6-webengine
Fixed versions: Not specified
qt6-webengine
Fixed versions: Not specified
qt6-webengine
Fixed versions: Not specified
qt6-webengine
Fixed versions: Not specified
qt6-webengine
Fixed versions: Not specified
Complete source record
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"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-36632",
"method": "structured",
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"title": "UBUNTU-CVE-2020-36632",
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],
"modified": "2026-10-17T12:56:14.618209916Z",
"provider": "osv",
"upstream": [
"CVE-2020-36632"
],
"references": [
"https://ubuntu.com/security/CVE-2020-36632",
"https://github.com/hughsk/flat/commit/20ef0ef55dfa028caddaedbcb33efbdb04d18e13",
"https://github.com/hughsk/flat/issues/105",
"https://github.com/hughsk/flat/pull/106",
"https://github.com/hughsk/flat/releases/tag/5.0.1",
"https://www.cve.org/CVERecord?id=CVE-2020-36632"
]
},
"related_cves": [
{
"value": "CVE-2020-36632",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 355014,
"published_at": "2022-12-25T20:15:00+00:00"
}