Mozilla Foundation Security Advisory 2024-22
Security Vulnerabilities fixed in Firefox ESR 115.11
- Announced
- May 14, 2024
- Impact
- high
- Products
- Firefox ESR
- Fixed in
-
- Firefox ESR 115.11
#CVE-2024-4367: Arbitrary JavaScript execution in PDF.js
- Reporter
- Thomas Rinsma of Codean Labs
- Impact
- high
Description
A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context.
References
#CVE-2024-4767: IndexedDB files retained in private browsing mode
- Reporter
- Kim Do Hun via Tor Browser
- Impact
- moderate
Description
If the browser.privatebrowsing.autostart preference is enabled, IndexedDB files were not properly deleted when the window was closed. This preference is disabled by default in Firefox.
References
#CVE-2024-4768: Potential permissions request bypass via clickjacking
- Reporter
- Hafiizh
- Impact
- moderate
Description
A bug in popup notifications' interaction with WebAuthn made it easier for an attacker to trick a user into granting permissions.
References
#CVE-2024-4769: Cross-origin responses could be distinguished between script and non-script content-types
- Reporter
- Shaheen Fazim
- Impact
- moderate
Description
When importing resources using Web Workers, error messages would distinguish the difference between application/javascript responses and non-script responses. This could have been abused to learn information cross-origin.
References
#CVE-2024-4770: Use-after-free could occur when printing to PDF
- Reporter
- Irvan Kurniawan
- Impact
- moderate
Description
When saving a page to PDF, certain font styles could have led to a potential use-after-free crash.
References
#CVE-2024-4777: Memory safety bugs fixed in Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11
- Reporter
- Daniel Holbert and the Mozilla Fuzzing Team
- Impact
- moderate
Description
Memory safety bugs present in Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10. 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.