Summary
Mozilla heeft kwetsbaarheden verholpen in Firefox en Thunderbird (Specifiek voor versies onder 141).
Details
Interpretaties
De kwetsbaarheden omvatten een breed scala aan problemen waaronder het uitvoeren van ongeautoriseerde code. Deze kwetsbaarheden kunnen worden misbruikt door kwaadwillenden om toegang te krijgen tot gevoelige informatie of om de integriteit van systemen in gevaar te brengen.
Oplossingen
Mozilla heeft updates uitgebracht om de kwetsbaarheden te verhelpen. Zie bijgevoegde referenties voor meer informatie.
Vulnerabilities 21
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Critical 9.8
Sandboxed iframes could allow local downloads despite sandbox restrictions
Sandboxed iframes on webpages could potentially allow downloads to the device, bypassing the expected sandbox restrictions declared on the parent page. This vulnerability was fixed in Firefox for iOS 141.
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Critical 9.8
Large branch table could lead to truncated instruction
On arm64, a WASM `br_table` instruction with a lot of entries could lead to the label being too far from the instruction causing truncation and incorrect computation of the branch address. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firef…
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Critical 9.8
Incorrect URL stripping in CSP reports
The `username:password` part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic Authentication credentials. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13…
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Critical 9.8
CSP frame-src was not correctly enforced for paths
Thunderbird ignored paths when checking the validity of navigations in a frame. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.
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Critical 9.8
Sandboxed iframe could start downloads
Firefox for Android allowed a sandboxed iframe without the `allow-downloads` attribute to start downloads. This vulnerability was fixed in Firefox 141.
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Critical 9.8
Incorrect URL truncation
Focus incorrectly truncated URLs towards the beginning instead of around the origin. This vulnerability was fixed in Firefox 141.
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Critical 9.8
Memory safety bugs fixed in Firefox 141 and Thunderbird 141
Memory safety bugs present in Firefox 140 and Thunderbird 140. 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. This vulnerability was fixed in Firefo…
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Critical 9.1
Scanning a malicious URL utilizing Firefox's open-text scheme with the QR code scanner could load arbitrary websites
The QR scanner could allow arbitrary websites to be opened if a user was tricked into scanning a malicious link that leveraged Firefox's open-text URL scheme. This vulnerability was fixed in Firefox for iOS 141.
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Critical 9.1
Nameless cookies shadow secure cookies
Setting a nameless cookie with an equals sign in the value shadowed other cookies. Even if the nameless cookie was set over HTTP and the shadowed cookie included the `Secure` attribute. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbi…
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High 8.8
Memory safety bugs fixed in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141
Memory safety bugs present in Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird ESR 128.12, Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. Some of these bugs showed evidence of memory corruption and we presume that with enough ef…
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High 8.8
Memory safety bugs fixed in Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141
Memory safety bugs present in Firefox ESR 128.12, Thunderbird ESR 128.12, Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these c…
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High 8.8
Memory safety bugs fixed in Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141
Memory safety bugs present in Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. 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 co…
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High 8.1
javascript: URLs executed on object and embed tags
Thunderbird executed `javascript:` URLs when used in `object` and `embed` tags. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.
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High 8.1
Potential user-assisted code execution in “Copy as cURL” command
Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderb…
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High 8.1
XSLT documents could bypass CSP
XSLT document loading did not correctly propagate the source document which bypassed its CSP. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.
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High 8.1
DNS rebinding circumvents CORS
Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.
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High 8.1
Search terms persisted in URL bar
In some cases search terms persisted in the URL bar even after navigating away from the search page. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.
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Medium 6.5
JavaScript engine only wrote partial return value to stack
On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunder…
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Medium 6.5
Incorrect JavaScript state machine for generators
The JavaScript engine did not handle closed generators correctly and it was possible to resume them leading to a nullptr deref. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbir…
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Medium 5.4
Internal Firefox open-text URL scheme allowed loading of arbitrary URLs
The URL scheme used by Firefox to facilitate searching of text queries could incorrectly allow attackers to open arbitrary website URLs or internal pages if a user was tricked into clicking a link. This vulnerability was fixed in Firefox for iOS 141.
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Medium 5.3
Incorrect URL truncation in Firefox for Android
In the address bar, Firefox for Android truncated the display of URLs from the end instead of prioritizing the origin. This vulnerability was fixed in Firefox 141.
Revision history
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#1.0.0
Initiele versie
References
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Reference - certbundde
https://www.mozilla.org/en-US/security/advisories/mfsa2025-56/
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Reference - certbundde
https://www.mozilla.org/en-US/security/advisories/mfsa2025-57/
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Reference - certbundde
https://www.mozilla.org/en-US/security/advisories/mfsa2025-58/
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Reference - certbundde
https://www.mozilla.org/en-US/security/advisories/mfsa2025-59/
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Reference - certbundde
https://www.mozilla.org/en-US/security/advisories/mfsa2025-60/
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Reference - certbundde
https://www.mozilla.org/en-US/security/advisories/mfsa2025-61/
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Reference - certbundde
https://www.mozilla.org/en-US/security/advisories/mfsa2025-62/
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Reference - certbundde
https://www.mozilla.org/en-US/security/advisories/mfsa2025-63/