Windows apps · Application version · March 4, 2025

Mozilla Thunderbird (tr) 136.0

Mozilla Thunderbird (tr) 136.0, released March 4, 2025, fixes 87 CVEs in Mozilla Thunderbird (tr). One of them is being exploited (CVE-2024-9680); 1 on CISA KEV. Patch Radar priority: Patch now. The latest Mozilla Thunderbird (tr) is 159.0, which also fixes every one of these CVEs.

Patch now1 on CISA KEVKnown ransomware use

Superseded. The latest Mozilla Thunderbird (tr) is 159.0, which also fixes every CVE on this page. Install that instead.

CVEs closed
87
2 rated Critical
Exploited
1
CVE-2024-9680
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.2318
97th percentile

Priority of the 87 CVEs

Patch now 1 Urgent 2 High 58 Routine 26

Applies to

ProductVersion
Mozilla Thunderbird (tr)136.0

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Patch now CVE-2024-9680 Mozilla Firefox Use-After-Free Vulnerability9.8 0.2318 KEVRansomwareExploited
Urgent CVE-2024-11704 Mozilla Firefox ESR and 8 others: Double Free9.8 0.0091 None reported
Urgent CVE-2024-11693 Mozilla Firefox ESR and 8 others: The executable file warning was not presented when downloading .library-ms files.9.8 0.0083 None reported
High CVE-2025-0242 Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.68.8 0.1472 None reported
High CVE-2025-0247 Memory safety bugs fixed in Firefox 134 and Thunderbird 1349.8 0.1061 None reported
High CVE-2024-8381 Mozilla Firefox ESR and 6 others: Access of Resource Using Incompatible Type ('Type Confusion')9.8 0.0440 None reported
High CVE-2024-10466 Mozilla Firefox ESR and 7 others: Uncontrolled Resource Consumption7.5 0.0081 None reported
High CVE-2024-11697 Mozilla Firefox ESR and 8 others: Improper Control of Generation of Code ('Code Injection')8.8 0.0081 None reported
High CVE-2024-9401 Mozilla Firefox ESR and 7 others: Improper Restriction of Operations within the Bounds of a Memory Buffer9.8 0.0074 None reported
High CVE-2025-0241 Memory corruption when using JavaScript Text Segmentation7.7 0.0073 None reported
High CVE-2024-11699 Mozilla Firefox ESR and 8 others: Improper Control of Generation of Code ('Code Injection')8.8 0.0072 None reported
High CVE-2024-8384 Mozilla Firefox ESR and 6 others: Use After Free9.8 0.0072 None reported
High CVE-2024-6611 Incorrect handling of SameSite cookies9.8 0.0066 None reported
High CVE-2024-11705 Mozilla Firefox ESR and 8 others: NULL Pointer Dereference9.1 0.0066 None reported
High CVE-2024-10458 Mozilla Firefox ESR and 7 others: Improper Preservation of Permissions8.2 0.0064 None reported
High CVE-2024-7520 Mozilla Firefox ESR and 6 others: Improper Control of Generation of Code ('Code Injection')9.6 0.0064 None reported
High CVE-2024-10459 Mozilla Firefox ESR and 7 others: Use After Free7.6 0.0063 None reported
High CVE-2025-1011 A bug in WebAssembly code generation could result in a crash8.8 0.0063 None reported
High CVE-2024-10467 Mozilla Firefox ESR and 7 others: Out-of-bounds Read8.8 0.0063 None reported
High CVE-2024-9402 Mozilla Firefox ESR and 7 others: Improper Restriction of Operations within the Bounds of a Memory Buffer9.8 0.0062 None reported
High CVE-2024-8382 Mozilla Firefox ESR and 6 others: Improper Check for Dropped Privileges8.8 0.0060 None reported
High CVE-2024-9396 Mozilla Firefox ESR and 7 others: Improper Restriction of Operations within the Bounds of a Memory Buffer8.8 0.0059 None reported
High CVE-2024-6609 Memory corruption in NSS8.8 0.0058 None reported
High CVE-2024-8385 Mozilla Firefox ESR and 7 others: Access of Resource Using Incompatible Type ('Type Confusion')9.8 0.0058 None reported
High CVE-2024-6607 Leaving pointerlock by pressing the escape key could be prevented8.8 0.0056 None reported
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