← Back

Thunderbird

thunderbird

Vendor: Mozilla • 1,867 CVEs

CVEs (1,867)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
Oct 1, 2024
N/A· v4
8.8 HIGH· v3
N/A· v2
A potential memory corruption vulnerability could be triggered if an attacker had the ability to trigger an OOM at a specific moment during JIT compilation. This vulnerability affects Firefox < 131, Firefox ESR < 128.3,...Show more
A potential memory corruption vulnerability could be triggered if an attacker had the ability to trigger an OOM at a specific moment during JIT compilation. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.Show less
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
Oct 1, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
A website configured to initiate a specially crafted WebTransport session could crash the Firefox process leading to a denial of service condition. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbi...Show more
A website configured to initiate a specially crafted WebTransport session could crash the Firefox process leading to a denial of service condition. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.Show less
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Oct 1, 2024
N/A· v4
5.3 MEDIUM· v3
N/A· v2
By checking the result of calls to `window.open` with specifically set protocol handlers, an attacker could determine if the application which implements that protocol handler is installed. This vulnerability affects Fir...Show more
By checking the result of calls to `window.open` with specifically set protocol handlers, an attacker could determine if the application which implements that protocol handler is installed. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.Show less
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Oct 1, 2024
N/A· v4
6.1 MEDIUM· v3
N/A· v2
A missing delay in directory upload UI could have made it possible for an attacker to trick a user into granting permission via clickjacking. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 1...Show more
A missing delay in directory upload UI could have made it possible for an attacker to trick a user into granting permission via clickjacking. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.Show less
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
Oct 1, 2024
N/A· v4
8.8 HIGH· v3
N/A· v2
It is currently unknown if this issue is exploitable but a condition may arise where the structured clone of certain objects could lead to memory corruption. This vulnerability affects Firefox < 131, Firefox ESR < 128.3,...Show more
It is currently unknown if this issue is exploitable but a condition may arise where the structured clone of certain objects could lead to memory corruption. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.Show less
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Oct 1, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the `resource://devtools` origin. This could allow them to access cross-origin JSON content. This access is limited to "s...Show more
An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the `resource://devtools` origin. This could allow them to access cross-origin JSON content. This access is limited to "same site" documents by the Site Isolation feature on desktop clients, but full cross-origin access is possible on Android versions. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Firefox ESR < 115.16, Thunderbird < 128.3, and Thunderbird < 131.Show less
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Oct 1, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the `resource://pdf.js` origin. This could allow them to access cross-origin PDF content. This access is limited to "same...Show more
An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the `resource://pdf.js` origin. This could allow them to access cross-origin PDF content. This access is limited to "same site" documents by the Site Isolation feature on desktop clients, but full cross-origin access is possible on Android versions. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Firefox ESR < 115.16, Thunderbird < 128.3, and Thunderbird < 131.Show less
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
Oct 1, 2024
N/A· v4
9.8 CRITICAL· v3
N/A· v2
A compromised content process could have allowed for the arbitrary loading of cross-origin pages. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Firefox ESR < 115.16, Thunderbird < 128.3, and Thunderbird...Show more
A compromised content process could have allowed for the arbitrary loading of cross-origin pages. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Firefox ESR < 115.16, Thunderbird < 128.3, and Thunderbird < 131.Show less
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
Sep 6, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
An error in the ECMA-262 specification relating to Async Generators could have resulted in a type confusion, potentially leading to memory corruption and an exploitable crash. This vulnerability affects Firefox < 128, Fi...Show more
An error in the ECMA-262 specification relating to Async Generators could have resulted in a type confusion, potentially leading to memory corruption and an exploitable crash. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.Show less
1Mozilla
1Thunderbird
Jun 17, 2026
Sep 6, 2024
N/A· v4
6.5 MEDIUM· v3
N/A· v2
When aborting the verification of an OTR chat session, an attacker could have caused a use-after-free bug leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 128.2.
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Sep 3, 2024
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Memory safety bugs present in Firefox 129, Firefox ESR 128.1, and Thunderbird 128.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited...Show more
Memory safety bugs present in Firefox 129, Firefox ESR 128.1, and Thunderbird 128.1. 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 affects Firefox < 130, Firefox ESR < 128.2, and Thunderbird < 128.2.Show less
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Aug 6, 2024
N/A· v4
6.5 MEDIUM· v3
N/A· v2
The date picker could partially obscure security prompts. This could be used by a malicious site to trick a user into granting permissions. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 12...Show more
The date picker could partially obscure security prompts. This could be used by a malicious site to trick a user into granting permissions. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.Show less
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Aug 6, 2024
N/A· v4
8.8 HIGH· v3
N/A· v2
Incorrect garbage collection interaction in IndexedDB could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 128.1, and Thunderbird < 128.1.
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Aug 6, 2024
N/A· v4
8.8 HIGH· v3
N/A· v2
Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Aug 6, 2024
N/A· v4
6.5 MEDIUM· v3
N/A· v2
ANGLE failed to initialize parameters which lead to reading from uninitialized memory. This could be leveraged to leak sensitive data from memory. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox E...Show more
ANGLE failed to initialize parameters which lead to reading from uninitialized memory. This could be leveraged to leak sensitive data from memory. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.Show less
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Aug 6, 2024
N/A· v4
8.1 HIGH· v3
N/A· v2
It was possible for a web extension with minimal permissions to create a `StreamFilter` which could be used to read and modify the response body of requests on any site. This vulnerability affects Firefox < 129, Firefox...Show more
It was possible for a web extension with minimal permissions to create a `StreamFilter` which could be used to read and modify the response body of requests on any site. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.Show less
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Aug 6, 2024
N/A· v4
8.8 HIGH· v3
N/A· v2
Editor code failed to check an attribute value. This could have led to an out-of-bounds read. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 11...Show more
Editor code failed to check an attribute value. This could have led to an out-of-bounds read. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.Show less
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Aug 6, 2024
N/A· v4
8.8 HIGH· v3
N/A· v2
Incomplete WebAssembly exception handing could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Aug 6, 2024
N/A· v4
8.8 HIGH· v3
N/A· v2
A type confusion bug in WebAssembly could be leveraged by an attacker to potentially achieve code execution. This vulnerability affects Firefox < 129, Firefox ESR < 128.1, and Thunderbird < 128.1.
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Aug 6, 2024
N/A· v4
9.6 CRITICAL· v3
N/A· v2
Insufficient checks when processing graphics shared memory could have led to memory corruption. This could be leveraged by an attacker to perform a sandbox escape. This vulnerability affects Firefox < 129, Firefox ESR <...Show more
Insufficient checks when processing graphics shared memory could have led to memory corruption. This could be leveraged by an attacker to perform a sandbox escape. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.Show less