CVE-2020-26950
- Source
- https://cve.org/CVERecord?id=CVE-2020-26950
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-26950.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2020-26950
- Downstream
- Related
- Published
- 2020-12-09T01:15:12.503Z
- Modified
- 2026-03-13T00:37:59.266209Z
- Severity
-
- 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox < 82.0.3, Firefox ESR < 78.4.1, and Thunderbird < 78.4.2.
- References
Affected packages
Git /
Database specific
unresolved_ranges
[
{
"events": [
{
"introduced": "0"
},
{
"fixed": "82.0.3"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "78.4.1"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "78.4.2"
}
]
}
]
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-26950.json"