MediumFix available
firefox-esr, thunderbird — security advisory
When generating the assembly code for MLoadTypedArrayElementHole, an incorrect AliasSet was used. In conjunction with another vulnerability this could have been used for an out of bounds memory read. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.
- Products
- firefox-esr, thunderbird
- Affected versions
- Not specified
- Fixed versions
- 1:91.8.0-1, 91.8.0esr-1
- CVEs
- CVE-2022-28285
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 14:35 UTC · Revision 1
Source evidence
When generating the assembly code for MLoadTypedArrayElementHole, an incorrect AliasSet was used. In conjunction with another vulnerability this could have been used for an out of bounds memory read. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.
osv:DEBIAN-CVE-2022-28285
firefox-esr
Fixed versions: 91.8.0esr-1
firefox-esr
Fixed versions: 91.8.0esr-1
firefox-esr
Fixed versions: 91.8.0esr-1
thunderbird
Fixed versions: 1:91.8.0-1
thunderbird
Fixed versions: 1:91.8.0-1
thunderbird
Fixed versions: 1:91.8.0-1
Complete source record
{
"id": "b7c02fa4f003b0715c7296bf6f0797727e98489b0a69e94fe0b4b8e416ffed16",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-28285",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2022-28285",
"summary": "When generating the assembly code for MLoadTypedArrayElementHole, an incorrect AliasSet was used. In conjunction with another vulnerability this could have been used for an out of bounds memory read. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.",
"evidence": "osv:DEBIAN-CVE-2022-28285",
"products": [
{
"name": {
"value": "firefox-esr",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "91.8.0esr-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
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},
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{
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},
{
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"affected_versions": []
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{
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"affected_versions": []
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{
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"evidence": "/affected/5/ranges"
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],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2022-28285",
"aliases": [
"DEBIAN-CVE-2022-28285"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
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"events": [
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{
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],
"package": {
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"purl": "pkg:deb/debian/firefox-esr?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
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"ecosystem_specific": {
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}
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{
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"ecosystem": "Debian:13"
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{
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"package": {
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"ecosystem": "Debian:14"
},
"database_specific": {
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},
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{
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"package": {
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},
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},
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}
},
{
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],
"package": {
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"purl": "pkg:deb/debian/thunderbird?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
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},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
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],
"package": {
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"purl": "pkg:deb/debian/thunderbird?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-28285.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-15T08:00:52.716035044Z",
"provider": "osv",
"upstream": [
"CVE-2022-28285"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2022-28285"
]
},
"related_cves": [
{
"value": "CVE-2022-28285",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 322693,
"published_at": "2022-12-22T20:15:24.303+00:00"
}