PoC Index

CVE-2022-22740

HIGH 8.8EPSS 1.0%

Certain network request objects were freed too early when releasing a network request handle. This could have lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

CVSS v3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.96% chance of exploitation in the next 30 days, 59th percentile
Published
2022-12-22
Updated
2025-04-16

Proof-of-concept exploits (1)

References

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