High
android-platform-frameworks-base — security advisory
In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-205595291
- Products
- android-platform-frameworks-base
- Affected versions
- 1:10.0.0+r36-10, 1:13.0.0+r30-1, 1:13.0.0+r30-1~exp1, 1:13.0.0+r30-1~exp2, 1:13.0.0+r30-1~exp3, 1:13.0.0+r30-1~exp4, 1:13.0.0+r66-1, 1:13.0.0+r66-1~exp1, 1:13~beta3-1~exp1, 1:14~beta1-1, 1:14~beta1-1~exp2, 1:14~beta1-1~exp~1, 1:14~beta1-2, 1:14~beta1-3, 1:14~beta1-4, 1:14~beta1-4~exp1, 1:14~beta1-5
- Fixed versions
- Not specified
- CVEs
- CVE-2021-39796
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:39 UTC · Revision 1
Source evidence
In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-205595291
osv:DEBIAN-CVE-2021-39796
android-platform-frameworks-base
Fixed versions: Not specified
android-platform-frameworks-base
Fixed versions: Not specified
android-platform-frameworks-base
Fixed versions: Not specified
Complete source record
{
"id": "12bb5e633860c0ba4aff45d01adc68a746e00ea342daea2bf840a144a05e83f4",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-39796",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2021-39796",
"summary": "In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-205595291",
"evidence": "osv:DEBIAN-CVE-2021-39796",
"products": [
{
"name": {
"value": "android-platform-frameworks-base",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:10.0.0+r36-10",
"evidence": "/affected/0/versions"
},
{
"value": "1:13.0.0+r30-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:13.0.0+r30-1~exp1",
"evidence": "/affected/0/versions"
},
{
"value": "1:13.0.0+r30-1~exp2",
"evidence": "/affected/0/versions"
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{
"value": "1:13.0.0+r30-1~exp3",
"evidence": "/affected/0/versions"
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{
"value": "1:13.0.0+r30-1~exp4",
"evidence": "/affected/0/versions"
},
{
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"evidence": "/affected/0/versions"
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{
"value": "1:13.0.0+r66-1~exp1",
"evidence": "/affected/0/versions"
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{
"value": "1:13~beta3-1~exp1",
"evidence": "/affected/0/versions"
},
{
"value": "1:14~beta1-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:14~beta1-1~exp2",
"evidence": "/affected/0/versions"
},
{
"value": "1:14~beta1-1~exp~1",
"evidence": "/affected/0/versions"
},
{
"value": "1:14~beta1-2",
"evidence": "/affected/0/versions"
},
{
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{
"value": "1:14~beta1-4",
"evidence": "/affected/0/versions"
},
{
"value": "1:14~beta1-4~exp1",
"evidence": "/affected/0/versions"
},
{
"value": "1:14~beta1-5",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "android-platform-frameworks-base",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
"value": "1:14~beta1-3",
"evidence": "/affected/1/versions"
},
{
"value": "1:14~beta1-4",
"evidence": "/affected/1/versions"
},
{
"value": "1:14~beta1-4~exp1",
"evidence": "/affected/1/versions"
},
{
"value": "1:14~beta1-5",
"evidence": "/affected/1/versions"
}
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},
{
"name": {
"value": "android-platform-frameworks-base",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:14~beta1-3",
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{
"value": "1:14~beta1-4",
"evidence": "/affected/2/versions"
},
{
"value": "1:14~beta1-4~exp1",
"evidence": "/affected/2/versions"
},
{
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}
]
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2021-39796",
"aliases": [
"DEBIAN-CVE-2021-39796"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
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],
"package": {
"name": "android-platform-frameworks-base",
"purl": "pkg:deb/debian/android-platform-frameworks-base?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
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"1:13.0.0+r30-1",
"1:13.0.0+r30-1~exp1",
"1:13.0.0+r30-1~exp2",
"1:13.0.0+r30-1~exp3",
"1:13.0.0+r30-1~exp4",
"1:13.0.0+r66-1",
"1:13.0.0+r66-1~exp1",
"1:13~beta3-1~exp1",
"1:14~beta1-1",
"1:14~beta1-1~exp2",
"1:14~beta1-1~exp~1",
"1:14~beta1-2",
"1:14~beta1-3",
"1:14~beta1-4",
"1:14~beta1-4~exp1",
"1:14~beta1-5"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-39796.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "android-platform-frameworks-base",
"purl": "pkg:deb/debian/android-platform-frameworks-base?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1:14~beta1-3",
"1:14~beta1-4",
"1:14~beta1-4~exp1",
"1:14~beta1-5"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-39796.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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}
]
}
],
"package": {
"name": "android-platform-frameworks-base",
"purl": "pkg:deb/debian/android-platform-frameworks-base?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1:14~beta1-3",
"1:14~beta1-4",
"1:14~beta1-4~exp1",
"1:14~beta1-5"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-39796.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
}
],
"modified": "2026-10-23T18:03:32.606246364Z",
"provider": "osv",
"upstream": [
"CVE-2021-39796"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2021-39796"
]
},
"related_cves": [
{
"value": "CVE-2021-39796",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 421855,
"published_at": "2022-04-12T17:15:08.167+00:00"
}