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CVE-2022-22740

8.8 · HIGH

Certain network request objects were freed too early when releasing a network request handle.

Published Dec 22, 2022CWE-416EPSS 0.97%

Overview

CVE-2022-22740 is a high-severity vulnerability. It was published on December 22, 2022 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbugzilla.mozilla.org/show_bug.cgi?id=1742334Refwww.mozilla.org/security/advisories/mfsa2022-01/Refwww.mozilla.org/security/advisories/mfsa2022-02/Refwww.mozilla.org/security/advisories/mfsa2022-03/Refbugzilla.mozilla.org/show_bug.cgi?id=1742334Refwww.mozilla.org/security/advisories/mfsa2022-01/Refwww.mozilla.org/security/advisories/mfsa2022-02/Refwww.mozilla.org/security/advisories/mfsa2022-03/

How CyberStrike helps

Frequently asked questions

What is CVE-2022-22740?

CVE-2022-22740 is a high-severity vulnerability. It was published on December 22, 2022 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2022-22740?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-22740?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-22740?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-22740 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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