CVE-2021-43535
08.12.2021, 22:15
A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3.Enginsight
| Vendor | Product | Version |
|---|---|---|
| mozilla | firefox | 𝑥 < 93.0 |
| mozilla | firefox_esr | 𝑥 < 91.3.0 |
| mozilla | thunderbird | 𝑥 < 91.3.0 |
| debian | debian_linux | 9.0 |
| debian | debian_linux | 10.0 |
| debian | debian_linux | 11.0 |
𝑥
= Vulnerable software versions
Debian Releases
Debian Product | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
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| firefox-esr |
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| thunderbird |
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Ubuntu Releases
Ubuntu Product | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
| ||||||||||||||||||
| thunderbird |
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Common Weakness Enumeration
References