Download Firefox

Firefox is no longer supported on Windows 8.1 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Firefox is no longer supported on macOS 10.14 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Firefox Privacy Notice

Mozilla Foundation Security Advisory 2024-02

Security Vulnerabilities fixed in Firefox ESR 115.7

Announced
January 23, 2024
Impact
high
Products
Firefox ESR
Fixed in
  • Firefox ESR 115.7

Updated February 8, 2024 to remove CVE-2024-0749 which was inadvertently included in the original advisory.

#CVE-2024-0741: Out of bounds write in ANGLE

Reporter
Renan Rios
Impact
high
Description

An out of bounds write in ANGLE could have allowed an attacker to corrupt memory leading to a potentially exploitable crash.

References

#CVE-2024-0742: Failure to update user input timestamp

Reporter
Andrew McCreight
Impact
high
Description

It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an incorrect timestamp used to prevent input after page load.

References

#CVE-2024-0746: Crash when listing printers on Linux

Reporter
Cornel Ionce
Impact
moderate
Description

A Linux user opening the print preview dialog could have caused the browser to crash.

References

#CVE-2024-0747: Bypass of Content Security Policy when directive unsafe-inline was set

Reporter
Seongil Wi
Impact
moderate
Description

When a parent page loaded a child in an iframe with unsafe-inline, the parent Content Security Policy could have overridden the child Content Security Policy.

References

#CVE-2024-0750: Potential permissions request bypass via clickjacking

Reporter
Hafiizh
Impact
moderate
Description

A bug in popup notifications delay calculation could have made it possible for an attacker to trick a user into granting permissions.

References

#CVE-2024-0751: Privilege escalation through devtools

Reporter
Rob Wu
Impact
moderate
Description

A malicious devtools extension could have been used to escalate privileges.

References

#CVE-2024-0753: HSTS policy on subdomain could bypass policy of upper domain

Reporter
Hanno Böck
Impact
moderate
Description

In specific HSTS configurations an attacker could have bypassed HSTS on a subdomain.

References

#CVE-2024-0755: Memory safety bugs fixed in Firefox 122, Firefox ESR 115.7, and Thunderbird 115.7

Reporter
Daniel Holbert, Andrew Osmond, and the Mozilla Fuzzing Team
Impact
moderate
Description

Memory safety bugs present in Firefox 121, Firefox ESR 115.6, and Thunderbird 115.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

References