CVE-2024-7652

Name: CVE-2024-7652
Creator: NVD / NIST
Published: 2024-09-06T19:15:12.71+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.66%

Last modified Jun 17, 2026

CVE-2024-7652 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An error in the ECMA-262 specification relating to Async Generators could have resulted in a type confusion, potentially leading to memory corruption and an exploitable crash. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.. EPSS estimates a 0.66% chance of exploitation in the next 30 days.

Description

An error in the ECMA-262 specification relating to Async Generators could have resulted in a type confusion, potentially leading to memory corruption and an exploitable crash. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.66%

46.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 115.13.0
Mozilla	Firefox	< 128.0
Mozilla	Thunderbird	< 115.13.0
Mozilla	Thunderbird	>= 116.0, < 128.0

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1901411Issue Tracking
https://github.com/tc39/ecma262/security/advisories/GHSA-g38c-wh3c-5h9rThird Party Advisory
https://www.mozilla.org/security/advisories/mfsa2024-29/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-30/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-31/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-32/Vendor Advisory

Timeline

Published: Sep 6, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-7652?

How severe is CVE-2024-7652?

CVE-2024-7652 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.

How do I fix CVE-2024-7652?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-7652?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST