CVE-2022-22740 — Use After Free in Mozilla Firefox

CWE-416 — Use After Free13 documents8 sources
Severity
8.8HIGHNVD
EPSS
0.3%
top 49.56%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird
Timeline
PublishedDec 22

Description

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages8 packages

▶CVEListV5mozilla/firefoxunspecified — 96
▶NVDmozilla/firefox< 96.0
▶CVEListV5mozilla/firefox_esrunspecified — 91.5
▶CVEListV5mozilla/thunderbirdunspecified — 91.5

🔴Vulnerability Details

4
OSV
CVE-2022-22740: Certain network request objects were freed too early when releasing a network request handle↗2022-12-22
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CVEList
CVE-2022-22740: Certain network request objects were freed too early when releasing a network request handle↗2022-12-22
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GHSA
GHSA-5hrv-4r6h-jgxc: Certain network request objects were freed too early when releasing a network request handle↗2022-12-22
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OSV
thunderbird vulnerabilities↗2022-01-21
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📋Vendor Advisories

8
Ubuntu
Thunderbird vulnerabilities↗2022-01-21
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Ubuntu
Thunderbird vulnerabilities↗2022-01-21
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Ubuntu
Firefox vulnerabilities↗2022-01-13
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Red Hat
Mozilla: Use-after-free of ChannelEventQueue::mOwner↗2022-01-11
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Debian
CVE-2022-22740: firefox - Certain network request objects were freed too early when releasing a network re...↗2022
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CVE-2022-22740 — Use After Free in Mozilla Firefox | cvebase