Mozilla Thunderbird vulnerabilities

CVE-2015-7180 [HIGH] CVE-2015-7180: The ReadbackResultWriterD3D11::Run function in Mozilla Firefox before 41 The ReadbackResultWriterD3D11::Run function in Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 misinterprets the return value of a function call, which might allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via unknown vectors.

CVE-2015-7177 [HIGH] CVE-2015-7177: The InitTextures function in Mozilla Firefox before 41 The InitTextures function in Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 might allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via unknown vectors.

CVE-2010-0179 [MEDIUM] CWE-94 CVE-2010-0179: Mozilla Firefox before 3.0.19 and 3.5.x before 3.5.8, and SeaMonkey before 2.0.3, when the XMLHttpRe Mozilla Firefox before 3.0.19 and 3.5.x before 3.5.8, and SeaMonkey before 2.0.3, when the XMLHttpRequestSpy module in the Firebug add-on is used, does not properly handle interaction between the XMLHttpRequestSpy object and chrome privileged objects, which allows remote attackers to execute arbitrary JavaScript via a crafted HTTP response.

CVE-2025-3522 [MEDIUM] CWE-601 CVE-2025-3522: Thunderbird processes the X-Mozilla-External-Attachment-URL header to handle attachments which can b Thunderbird processes the X-Mozilla-External-Attachment-URL header to handle attachments which can be hosted externally. When an email is opened, Thunderbird accesses the specified URL to determine file size, and navigates to it when the user clicks the attachment. Because the URL is not validated or sanitized, it can reference internal resources like

CVE-2026-6762 [MEDIUM] CWE-290 CVE-2026-6762: Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firef Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

CVE-2006-3809 [HIGH] CVE-2006-3809: Mozilla Firefox before 1.5.0.5, Thunderbird before 1.5.0.5, and SeaMonkey before 1.0.3 allows script Mozilla Firefox before 1.5.0.5, Thunderbird before 1.5.0.5, and SeaMonkey before 1.0.3 allows scripts with the UniversalBrowserRead privilege to gain UniversalXPConnect privileges and possibly execute code or obtain sensitive data by reading into a privileged context.

CVE-2025-4082 [MEDIUM] CWE-125 CVE-2025-4082: Modification of specific WebGL shader attributes could trigger an out-of-bounds read, which, when ch Modification of specific WebGL shader attributes could trigger an out-of-bounds read, which, when chained with other vulnerabilities, could be used to escalate privileges. *This bug only affects Thunderbird for macOS. Other versions of Thunderbird are unaffected.*. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Th

CVE-2008-1236 [MEDIUM] CWE-399 CVE-2008-1236: Multiple unspecified vulnerabilities in Mozilla Firefox before 2.0.0.13, Thunderbird before 2.0.0.13 Multiple unspecified vulnerabilities in Mozilla Firefox before 2.0.0.13, Thunderbird before 2.0.0.13, and SeaMonkey before 1.1.9 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors related to the layout engine.

CVE-2006-0836 [LOW] CVE-2006-0836: Mozilla Thunderbird 1.5 allows user-assisted attackers to cause an unspecified denial of service by Mozilla Thunderbird 1.5 allows user-assisted attackers to cause an unspecified denial of service by tricking the user into importing an LDIF file with a long field into the address book, as demonstrated by a long homePhone field.

CVE-2008-0420 [CRITICAL] CWE-200 CVE-2008-0420: modules/libpr0n/decoders/bmp/nsBMPDecoder.cpp in Mozilla Firefox before 2.0.0.12, Thunderbird before modules/libpr0n/decoders/bmp/nsBMPDecoder.cpp in Mozilla Firefox before 2.0.0.12, Thunderbird before 2.0.0.12, and SeaMonkey before 1.1.8 does not properly perform certain calculations related to the mColors table, which allows remote attackers to read portions of memory uninitialized via a crafted 8-bit bitmap (BMP) file that triggers an out-of-bou

CVE-2018-12366 [MEDIUM] CWE-125 CVE-2018-12366: An invalid grid size during QCMS (color profile) transformations can result in the out-of-bounds rea An invalid grid size during QCMS (color profile) transformations can result in the out-of-bounds read interpreted as a float value. This could leak private data into the output. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

CVE-2012-1955 [MEDIUM] CVE-2012-1955: Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thun Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 allow remote attackers to spoof the address bar via vectors involving history.forward and history.back calls.

CVE-2013-1730 [MEDIUM] CWE-119 CVE-2013-1730: Mozilla Firefox before 24.0, Firefox ESR 17.x before 17.0.9, Thunderbird before 24.0, Thunderbird ES Mozilla Firefox before 24.0, Firefox ESR 17.x before 17.0.9, Thunderbird before 24.0, Thunderbird ESR 17.x before 17.0.9, and SeaMonkey before 2.21 do not properly handle movement of XBL-backed nodes between documents, which allows remote attackers to execute arbitrary code or cause a denial of service (JavaScript compartment mismatch, or assertion fa

CVE-2017-7830 [MEDIUM] CVE-2017-7830: The Resource Timing API incorrectly revealed navigations in cross-origin iframes. This is a same-ori The Resource Timing API incorrectly revealed navigations in cross-origin iframes. This is a same-origin policy violation and could allow for data theft of URLs loaded by users. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.

CVE-2018-12372 [MEDIUM] CWE-200 CVE-2018-12372: Decrypted S/MIME parts, when included in HTML crafted for an attack, can leak plaintext when include Decrypted S/MIME parts, when included in HTML crafted for an attack, can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird < 52.9.

CVE-2006-1529 [HIGH] CVE-2006-1529: Unspecified vulnerability in Firefox and Thunderbird before 1.5.0.2, and SeaMonkey before 1.0.1, all Unspecified vulnerability in Firefox and Thunderbird before 1.5.0.2, and SeaMonkey before 1.0.1, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown attack vectors related to DHTML. NOTE: due to the lack of sufficient public details from the vendor as of 20060413, it is unclear how CVE-2006-1529, CVE-2006

CVE-2012-4193 [MEDIUM] CWE-346 CVE-2012-4193: Mozilla Firefox before 16.0.1, Firefox ESR 10.x before 10.0.9, Thunderbird before 16.0.1, Thunderbir Mozilla Firefox before 16.0.1, Firefox ESR 10.x before 10.0.9, Thunderbird before 16.0.1, Thunderbird ESR 10.x before 10.0.9, and SeaMonkey before 2.13.1 omit a security check in the defaultValue function during the unwrapping of security wrappers, which allows remote attackers to bypass the Same Origin Policy and read the properties of a Location obj

CVE-2015-0813 [MEDIUM] CVE-2015-0813: Use-after-free vulnerability in the AppendElements function in Mozilla Firefox before 37.0, Firefox Use-after-free vulnerability in the AppendElements function in Mozilla Firefox before 37.0, Firefox ESR 31.x before 31.6, and Thunderbird before 31.6 on Linux, when the Fluendo MP3 plugin for GStreamer is used, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted MP3 file.

CVE-2019-11742 [MEDIUM] CWE-829 CVE-2019-11742: A same-origin policy violation occurs allowing the theft of cross-origin images through a combinatio A same-origin policy violation occurs allowing the theft of cross-origin images through a combination of SVG filters and a element due to an error in how same-origin policy is applied to cached image content. The resulting same-origin policy violation could allow for data theft. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbir

CVE-2021-43536 [MEDIUM] CWE-200 CVE-2021-43536: Under certain circumstances, asynchronous functions could have caused a navigation to fail but expos Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.