Use-After-Free Vulnerability Affects Firefox < 127
CVE-2024-5694

7.5HIGH

Key Information:

Vendor

Mozilla
Status
Firefox
Vendor
CVE Published:
11 June 2024

What is CVE-2024-5694?

A vulnerability exists within the JavaScript engine of Mozilla's Firefox browser that allows attackers to exploit a use-after-free condition. This flaw permits unauthorized reading of memory located in the JavaScript string section of the heap, potentially exposing sensitive information. Affected users of Firefox versions earlier than 127 may find their systems vulnerable to this exploit, underscoring the importance of maintaining updated software to mitigate such risks.

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Deploy the Patch

Affected Version(s)

Firefox < 127

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1895055
https://www.mozilla.org/security/advisories/mfsa2024-25/

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Lukas Bernhard
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