CVE-2021-23995
When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
- Affected products
- Alt Linux, Astra Linux, Centos, Firefox, Firefox Esr, Linuxmint, Red Hat, Suse
- Mozilla Firefox
- < 88.0
- Mozilla Firefox Esr
- < 78.10
- Mozilla Thunderbird
- < 78.10
- Fix
- Available
- CVSS 3.1
- 8.8 HIGH
- EPSS
- 1.2% (66th percentile)
- Weakness
- CWE-672
- NVD status
- Modified
- Published
- 2021-06-24
CVE-2021-23995 at NVD
No indexed exploits for CVE-2021-23995 yet
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No exploit for CVE-2021-23995 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.