CVE-2024-7652: firefox Null Dereference — Fix

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.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-476 CWE-476

CWE-843 CWE-843

Affected Products

Vendor	Product	Versions
mozilla	firefox	< 115.13.0
mozilla	firefox	< 128.0
mozilla	thunderbird	< 115.13.0
mozilla	thunderbird	116.0 — 128.0

References

Advisories & Patches

https://www.mozilla.org/security/advisories/mfsa2024-29/ https://www.mozilla.org/security/advisories/mfsa2024-30/ https://www.mozilla.org/security/advisories/mfsa2024-31/ https://www.mozilla.org/security/advisories/mfsa2024-32/

Other References

https://bugzilla.mozilla.org/show_bug.cgi?id=1901411 https://github.com/tc39/ecma262/security/advisories/GHSA-g38c-wh3c-5h9r

Frequently Asked Questions

What is CVE-2024-7652? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-7652? +

CVE-2024-7652 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-7652? +

CVE-2024-7652 affects products from mozilla, specifically: firefox, thunderbird. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-7652? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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