CVE-2025-1020

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Source
https://cve.org/CVERecord?id=CVE-2025-1020
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-1020.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-1020
Downstream
Related
Published
2025-02-04T14:15:32.953Z
Modified
2026-03-14T15:01:41.805686Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

Memory safety bugs present in Firefox 134 and Thunderbird 134. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 135 and Thunderbird < 135.

References

Affected packages

Git /

Affected ranges

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-1020.json"
unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "135.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "131.0"
            },
            {
                "fixed": "135.0"
            }
        ]
    }
]