CVE-2021-43539
08.12.2021, 22:15
Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.Enginsight
| Vendor | Product | Version |
|---|---|---|
| mozilla | firefox | 𝑥 < 95.0 |
| mozilla | firefox_esr | 𝑥 < 91.4.0 |
| mozilla | thunderbird | 𝑥 < 91.4.0 |
| 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 |
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| firefox-esr |
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| mozjs38 |
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| mozjs52 |
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| mozjs68 |
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| mozjs78 |
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| thunderbird |
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Common Weakness Enumeration
References