CVE-2025-6427
24.06.2025, 13:15
An attacker was able to bypass the `connect-src` directive of a Content Security Policy by manipulating subdocuments. This would have also hidden the connections from the Network tab in Devtools. This vulnerability affects Firefox < 140 and Thunderbird < 140.Enginsight
Vendor | Product | Version |
---|---|---|
mozilla | firefox | 𝑥 < 140.0 |
𝑥
= Vulnerable software versions

Ubuntu Releases
Ubuntu Product | |||||||||||||
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firefox |
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thunderbird |
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mozjs38 |
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mozjs52 |
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mozjs68 |
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mozjs78 |
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mozjs91 |
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mozjs102 |
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mozjs115 |
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Common Weakness Enumeration