Critical
Security advisory
An integer overflow during the parsing of XML using the Expat library. This vulnerability affects Firefox < 50.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-9063
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 18:51 UTC · Revision 1
Source evidence
An integer overflow during the parsing of XML using the Expat library. This vulnerability affects Firefox < 50.
osv:CVE-2016-9063
Complete source record
{
"id": "2207f7590f6846abe2297e666d1cceb9fc12fccb18ecc22eeb8648b2c7b44fb0",
"url": "https://osv.dev/vulnerability/CVE-2016-9063",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2016-9063",
"summary": "An integer overflow during the parsing of XML using the Expat library. This vulnerability affects Firefox < 50.",
"evidence": "osv:CVE-2016-9063",
"products": [],
"severity": "critical",
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"modified": "2026-10-27T17:27:15.884481370Z",
"provider": "osv",
"references": [
"https://www.debian.org/security/2017/dsa-3898",
"https://www.mozilla.org/security/advisories/mfsa2016-89/",
"https://bugzilla.mozilla.org/show_bug.cgi?id=1274777"
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},
"source_id": "core-osv",
"document_id": 463034,
"published_at": "2018-06-11T21:29:00.997+00:00"
}