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CVE-2024-6602VulnerabilityPublished Updated

CVE-2024-6602: Mozilla Firefox · Code Injection

Affects Mozilla FirefoxSource CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical : upgrade to 128 or 115.13 as a priority.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.9% chance of exploitation in 30 days – higher than 62% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 128, 115.13
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Sep 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Upgrade Mozilla Firefox to 128 or 115.13.

Affected software

ProductAffectedFixed in
Mozilla FirefoxAffected
  • <128
  • <115.13
Fixed in
  • 128
  • 115.13

AI-suggested

1. 2. If you cannot patch yet, consider restricting network access to vulnerable endpoints, especially from untrusted networks, using firewalls or network segmentation. 3. Employ application sandboxing and memory protection technologies (e.g., ASLR, DEP) to reduce the impact of potential exploitation. 4. Implement endpoint detection and response (EDR) solutions to monitor for anomalous behavior indicative of exploitation attempts. 5. Educate users about the importance of keeping software up to date and avoiding suspicious links or attachments, even though no user interaction is required for this exploit, as layered defense is critical. 6. Review and harden email and web gateway protections to detect and block exploit payloads targeting this vulnerability. 7. Conduct vulnerability scanning and asset inventory to identify all instances of affected Firefox and Thunderbird versions within the organization. 8. Prepare incident response plans specific to memory corruption exploits and ensure forensic capabilities are in place to analyze potential breaches.

Description

This bugfix update provides a functional equivalent of RHBA-2024:6679. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHBA-2024:6679.

References

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