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CVE-2023-4050

7.5 · HIGH

In some cases, an untrusted input stream was copied to a stack buffer without checking its size.

Published Aug 1, 2023CWE-787EPSS 12.58%

Overview

CVE-2023-4050 is a high-severity vulnerability. It was published on August 1, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In some cases, an untrusted input stream was copied to a stack buffer without checking its size. This resulted in a potentially exploitable crash which could have led to a sandbox escape. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

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=1843038Reflists.debian.org/debian-lts-announce/2023/08/msg00008.htmlReflists.debian.org/debian-lts-announce/2023/08/msg00010.htmlRefwww.debian.org/security/2023/dsa-5464Refwww.debian.org/security/2023/dsa-5469Refwww.mozilla.org/security/advisories/mfsa2023-29/Refwww.mozilla.org/security/advisories/mfsa2023-30/Refwww.mozilla.org/security/advisories/mfsa2023-31/Refbugzilla.mozilla.org/show_bug.cgi?id=1843038Reflists.debian.org/debian-lts-announce/2023/08/msg00008.html

How CyberStrike helps

Frequently asked questions

What is CVE-2023-4050?

CVE-2023-4050 is a high-severity vulnerability. It was published on August 1, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-4050?

This vulnerability has a CVSS 3.1 base score of 7.5, 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-2023-4050?

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-2023-4050?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-4050 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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