MediumFix available
firefox-esr, thunderbird — security advisory
Sometimes, when invalidating JIT code while following an iterator, the newly generated code could be overwritten incorrectly. This could lead to a potentially exploitable crash. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.
- Products
- firefox-esr, thunderbird
- Affected versions
- Not specified
- Fixed versions
- 102.9.0esr-1, 1:102.9.0-1
- CVEs
- CVE-2023-25751
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:04 UTC · Revision 1
Source evidence
Sometimes, when invalidating JIT code while following an iterator, the newly generated code could be overwritten incorrectly. This could lead to a potentially exploitable crash. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.
osv:DEBIAN-CVE-2023-25751
firefox-esr
Fixed versions: 102.9.0esr-1
firefox-esr
Fixed versions: 102.9.0esr-1
firefox-esr
Fixed versions: 102.9.0esr-1
thunderbird
Fixed versions: 1:102.9.0-1
thunderbird
Fixed versions: 1:102.9.0-1
thunderbird
Fixed versions: 1:102.9.0-1
Complete source record
{
"id": "5d62eda79eb4d9388366bee0dc5f0bc34c94c0670b78dd68c605963faeac0504",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-25751",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-25751",
"summary": "Sometimes, when invalidating JIT code while following an iterator, the newly generated code could be overwritten incorrectly. This could lead to a potentially exploitable crash. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.",
"evidence": "osv:DEBIAN-CVE-2023-25751",
"products": [
{
"name": {
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"evidence": "/affected/0/package/name"
},
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{
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"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
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{
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{
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{
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{
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{
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],
"severity": "medium",
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"aliases": [
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"metrics": [
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"package": {
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"ecosystem": "Debian:12"
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"package": {
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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=forky",
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},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-25751.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-24T09:47:25.413004902Z",
"provider": "osv",
"upstream": [
"CVE-2023-25751"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-25751"
]
},
"related_cves": [
{
"value": "CVE-2023-25751",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 428947,
"published_at": "2023-06-02T17:15:11.947+00:00"
}