CVE-2021-23973
- Source
- https://cve.org/CVERecord?id=CVE-2021-23973
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23973.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-23973
- Downstream
- Related
- Published
- 2021-02-26T02:15:13.243Z
- Modified
- 2026-03-15T22:39:28.126146Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVSS Calculator
- Summary
- [none]
- Details
-
When trying to load a cross-origin resource in an audio/video context a decoding error may have resulted, and the content of that error may have revealed information about the resource. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.
- References
-
- https://www.mozilla.org/security/advisories/mfsa2021-09/
- https://lists.debian.org/debian-lts-announce/2021/03/msg00000.html
- https://security.gentoo.org/glsa/202104-09
- https://security.gentoo.org/glsa/202104-10
- https://www.debian.org/security/2021/dsa-4866
- https://www.mozilla.org/security/advisories/mfsa2021-07/
- https://www.mozilla.org/security/advisories/mfsa2021-08/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1690976
Affected packages
Git /
Database specific
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23973.json"
unresolved_ranges
[
{
"events": [
{
"introduced": "0"
},
{
"fixed": "86.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "78.8"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "78.8"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "10.0"
}
]
}
]