VendorsMozillathunderbirdany version
Vulnerabilities

Mozilla Thunderbird any version

Ranked by severity, then by exploit likelihood. Click a CVE ID for its full record.

1742CVEs
CVE-2025-14332
Memory safety bugs fixed in Firefox 146 and Thunderbird 146
Published 2025-12-09 · Modified
7.3EPSS 0.003
CVE-2026-12318
Incorrect boundary conditions in the Libraries component in NSS
Published 2026-06-16 · Analyzed
7.3EPSS 0.003
CVE-2026-12324
Incorrect boundary conditions in the Graphics: CanvasWebGL component
Published 2026-06-16 · Analyzed
7.3EPSS 0.002
CVE-2013-1706
Stack-based buffer overflow in maintenanceservice.exe in the Mozilla Maintenance Service in Mozilla Firefox before 23.0, Firefox ESR 17.x before 17.0.8, Thunderbird before 17.0.8, and Thunderbird ESR 17.x before 17.0.8 allows local users to gain privileges via a long pathname on the command line.
Published 2013-08-07 · Modified
7.2EPSS 0.003
CVE-2013-1707
Stack-based buffer overflow in Mozilla Updater in Mozilla Firefox before 23.0, Firefox ESR 17.x before 17.0.8, Thunderbird before 17.0.8, and Thunderbird ESR 17.x before 17.0.8 allows local users to gain privileges via a long pathname on the command line to the Mozilla Maintenance Service.
Published 2013-08-07 · Modified
7.2EPSS 0.003
CVE-2009-0776
nsIRDFService in Mozilla Firefox before 3.0.7, Thunderbird before 2.0.0.21, and SeaMonkey before 1.1.15 allows remote attackers to bypass the same-origin policy and read XML data from another domain via a cross-domain redirect.
Published 2009-03-05 · Modified
7.1EPSS 0.016
CVE-2021-29964
A locally-installed hostile program could send `WM_COPYDATA` messages that Firefox would process incorrectly, leading to an out-of-bounds read. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11.
Published 2021-06-24 · Modified
7.1EPSS 0.008
CVE-2022-22753
A Time-of-Check Time-of-Use bug existed in the Maintenance (Updater) Service that could be abused to grant Users write access to an arbitrary directory. This could have been used to escalate to SYSTEM access.<br>*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
Published 2022-12-22 · Modified
7.1EPSS 0.006
CVE-2025-4085
Potential information leakage and privilege escalation in UITour actor
Published 2025-04-29 · Modified
7.1EPSS 0.003
CVE-2025-10527
Sandbox escape due to use-after-free in the Graphics: Canvas2D component
Published 2025-09-16 · Modified
7.1EPSS 0.003
CVE-2024-5700
Memory safety bugs present in Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11. 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 < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
Published 2024-06-11 · Analyzed
7.0EPSS 0.004
CVE-2018-12385
A potentially exploitable crash in TransportSecurityInfo used for SSL can be triggered by data stored in the local cache in the user profile directory. This issue is only exploitable in combination with another vulnerability allowing an attacker to write data into the local cache or from locally installed malware. This issue also triggers a non-exploitable startup crash for users switching between the Nightly and Release versions of Firefox if the same profile is used. This vulnerability affects Thunderbird < 60.2.1, Firefox ESR < 60.2.1, and Firefox < 62.0.2.
Published 2018-10-18 · Modified
7.0EPSS 0.004
CVE-2025-26696
Crafted email message incorrectly shown as being encrypted
Published 2025-03-10 · Modified
7.0EPSS 0.003
CVE-2013-1712
Multiple untrusted search path vulnerabilities in updater.exe in Mozilla Updater in Mozilla Firefox before 23.0, Firefox ESR 17.x before 17.0.8, Thunderbird before 17.0.8, and Thunderbird ESR 17.x before 17.0.8 on Windows 7, Windows Server 2008 R2, Windows 8, and Windows Server 2012 allow local users to gain privileges via a Trojan horse DLL in (1) the update directory or (2) the current working directory.
Published 2013-08-07 · Modified
6.9EPSS 0.004
CVE-2013-1672
The Mozilla Maintenance Service in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 on Windows allows local users to bypass integrity verification and gain privileges via vectors involving junctions.
Published 2013-05-16 · Modified
6.9EPSS 0.003
CVE-2015-0833
Multiple untrusted search path vulnerabilities in updater.exe in Mozilla Firefox before 36.0, Firefox ESR 31.x before 31.5, and Thunderbird before 31.5 on Windows, when the Maintenance Service is not used, allow local users to gain privileges via a Trojan horse DLL in (1) the current working directory or (2) a temporary directory, as demonstrated by bcrypt.dll.
Published 2015-02-25 · Modified
6.9EPSS 0.003
CVE-2012-3974
Untrusted search path vulnerability in the installer in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, and Thunderbird ESR 10.x before 10.0.7 on Windows allows local users to gain privileges via a Trojan horse executable file in a root directory.
Published 2012-08-29 · Modified
6.9EPSS 0.003
CVE-2010-3182
A certain application-launch script in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 on Linux places a zero-length directory name in the LD_LIBRARY_PATH, which allows local users to gain privileges via a Trojan horse shared library in the current working directory.
Published 2010-10-21 · Modified
6.9EPSS 0.003
CVE-2010-3181
Untrusted search path vulnerability in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 on Windows allows local users to gain privileges via a Trojan horse DLL in the current working directory.
Published 2010-10-21 · Modified
6.9EPSS 0.003
CVE-2007-0009
Stack-based buffer overflow in the SSLv2 support in Mozilla Network Security Services (NSS) before 3.11.5, as used by Firefox before 1.5.0.10 and 2.x before 2.0.0.2, Thunderbird before 1.5.0.10, SeaMonkey before 1.0.8, and certain Sun Java System server products before 20070611, allows remote attackers to execute arbitrary code via invalid "Client Master Key" length values.
Published 2007-02-26 · Modified
6.8EPSS 0.506
CVE-2006-6500
Heap-based buffer overflow in Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by setting the CSS cursor to certain images that cause an incorrect size calculation when converting to a Windows bitmap.
Published 2006-12-20 · Modified
6.8EPSS 0.086
CVE-2006-1734
Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 allows remote attackers to execute arbitrary code by using the Object.watch method to access the "clone parent" internal function.
Published 2006-04-14 · Modified
6.8EPSS 0.068
CVE-2015-0797
GStreamer before 1.4.5, as used in Mozilla Firefox before 38.0, Firefox ESR 31.x before 31.7, and Thunderbird before 31.7 on Linux, allows remote attackers to cause a denial of service (buffer over-read and application crash) or possibly execute arbitrary code via crafted H.264 video data in an m4v file.
Published 2015-05-14 · Modified
6.8EPSS 0.054
CVE-2006-1733
Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 does not properly protect the compilation scope of privileged built-in XBL bindings, which allows remote attackers to execute arbitrary code via the (1) valueOf.call or (2) valueOf.apply methods of an XBL binding, or (3) "by inserting an XBL method into the DOM's document.body prototype chain."
Published 2006-04-14 · Modified
6.8EPSS 0.051
CVE-2009-2408
Mozilla Network Security Services (NSS) before 3.12.3, Firefox before 3.0.13, Thunderbird before 2.0.0.23, and SeaMonkey before 1.1.18 do not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority. NOTE: this was originally reported for Firefox before 3.5.
Published 2009-07-30 · Modified
6.8EPSS 0.050
CVE-2015-2710
Heap-based buffer overflow in the SVGTextFrame class in Mozilla Firefox before 38.0, Firefox ESR 31.x before 31.7, and Thunderbird before 31.7 allows remote attackers to execute arbitrary code via crafted SVG graphics data in conjunction with a crafted Cascading Style Sheets (CSS) token sequence.
Published 2015-05-14 · Modified
6.8EPSS 0.048
CVE-2006-6497
Multiple unspecified vulnerabilities in the layout engine for Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 allow remote attackers to cause a denial of service (memory corruption and crash) and possibly execute arbitrary code via unknown attack vectors.
Published 2006-12-20 · Modified
6.8EPSS 0.044
CVE-2007-0008
Integer underflow in the SSLv2 support in Mozilla Network Security Services (NSS) before 3.11.5, as used by Firefox before 1.5.0.10 and 2.x before 2.0.0.2, SeaMonkey before 1.0.8, Thunderbird before 1.5.0.10, and certain Sun Java System server products before 20070611, allows remote attackers to execute arbitrary code via a crafted SSLv2 server message containing a public key that is too short to encrypt the "Master Secret", which results in a heap-based overflow.
Published 2007-02-26 · Modified
6.8EPSS 0.044
CVE-2006-6505
Multiple heap-based buffer overflows in Mozilla Thunderbird before 1.5.0.9 and SeaMonkey before 1.0.7 allow remote attackers to execute arbitrary code via (1) external message modies with long Content-Type headers or (2) long RFC2047-encoded (MIME non-ASCII) headers.
Published 2006-12-20 · Modified
6.8EPSS 0.044
CVE-2008-1233
Unspecified vulnerability in Mozilla Firefox before 2.0.0.13, Thunderbird before 2.0.0.13, and SeaMonkey before 1.1.9 allows remote attackers to execute arbitrary code via "XPCNativeWrapper pollution."
Published 2008-03-27 · Modified
6.8EPSS 0.043
CVE-2006-6503
Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 allows remote attackers to bypass cross-site scripting (XSS) protection by changing the src attribute of an IMG element to a javascript: URI.
Published 2006-12-20 · Modified
6.8EPSS 0.042
CVE-2015-0831
Use-after-free vulnerability in the mozilla::dom::IndexedDB::IDBObjectStore::CreateIndex function in Mozilla Firefox before 36.0, Firefox ESR 31.x before 31.5, and Thunderbird before 31.5 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via crafted content that is improperly handled during IndexedDB index creation.
Published 2015-02-25 · Modified
6.8EPSS 0.042
CVE-2014-1593
Stack-based buffer overflow in the mozilla::FileBlockCache::Read function in Mozilla Firefox before 34.0, Firefox ESR 31.x before 31.3, Thunderbird before 31.3, and SeaMonkey before 2.31 allows remote attackers to execute arbitrary code via crafted media content.
Published 2014-12-11 · Modified
6.8EPSS 0.041
CVE-2013-1725
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 ensure that initialization occurs for JavaScript objects with compartments, which allows remote attackers to execute arbitrary code by leveraging incorrect scope handling.
Published 2013-09-18 · Modified
6.8EPSS 0.040
CVE-2013-1720
The nsHtml5TreeBuilder::resetTheInsertionMode function in the HTML5 Tree Builder in Mozilla Firefox before 24.0, Thunderbird before 24.0, and SeaMonkey before 2.21 does not properly maintain the state of the insertion-mode stack for template elements, which allows remote attackers to execute arbitrary code or cause a denial of service (heap-based buffer over-read) by triggering use of this stack in its empty state.
Published 2013-09-18 · Modified
6.8EPSS 0.040
CVE-2015-2713
Use-after-free vulnerability in the SetBreaks function in Mozilla Firefox before 38.0, Firefox ESR 31.x before 31.7, and Thunderbird before 31.7 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a document containing crafted text in conjunction with a Cascading Style Sheets (CSS) token sequence containing properties related to vertical text.
Published 2015-05-14 · Modified
6.8EPSS 0.040
CVE-2013-0800
Integer signedness error in the pixman_fill_sse2 function in pixman-sse2.c in Pixman, as distributed with Cairo and used in Mozilla Firefox before 20.0, Firefox ESR 17.x before 17.0.5, Thunderbird before 17.0.5, Thunderbird ESR 17.x before 17.0.5, SeaMonkey before 2.17, and other products, allows remote attackers to execute arbitrary code via crafted values that trigger attempted use of a (1) negative box boundary or (2) negative box size, leading to an out-of-bounds write operation.
Published 2013-04-03 · Modified
6.8EPSS 0.039
CVE-2014-1587
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 34.0, Firefox ESR 31.x before 31.3, Thunderbird before 31.3, and SeaMonkey before 2.31 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
Published 2014-12-11 · Modified
6.8EPSS 0.035
CVE-2014-1594
Mozilla Firefox before 34.0, Firefox ESR 31.x before 31.3, Thunderbird before 31.3, and SeaMonkey before 2.31 might allow remote attackers to execute arbitrary code by leveraging an incorrect cast from the BasicThebesLayer data type to the BasicContainerLayer data type.
Published 2014-12-11 · Modified
6.8EPSS 0.034
CVE-2014-1592
Use-after-free vulnerability in the nsHtml5TreeOperation function in xul.dll in Mozilla Firefox before 34.0, Firefox ESR 31.x before 31.3, Thunderbird before 31.3, and SeaMonkey before 2.31 allows remote attackers to execute arbitrary code by adding a second root element to an HTML5 document during parsing.
Published 2014-12-11 · Modified
6.8EPSS 0.034
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