Memory corruption

A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. This bug could only be triggered when accessibility was enabled.. This vulnerability affects Thunderbird 78.12, Firefox ESR 78.12, and Firefox 90...

Denial Of Service

firefox is vulnerable to denial of service. The vulnerability exists due to a use-after-free, memory corruption, and a potentially exploitable crash...

CVE-2021-29970

A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. This bug could only be triggered when accessibility was enabled.. This vulnerability affects Thunderbird 78.12, Firefox ESR 78.12, and Firefox 90...

Security Vulnerabilities fixed in Thunderbird 78.12 — Mozilla

If Thunderbird was configured to use STARTTLS for an IMAP connection, and an attacker injected IMAP server responses prior to the completion of the STARTTLS handshake, then Thunderbird didn't ignore the injected data. This could have resulted in Thunderbird showing incorrect information, for...

Mozilla Thunderbird < 78.12

The version of Thunderbird installed on the remote Windows host is prior to 78.12. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2021-30 advisory. - An out of bounds write in ANGLE could have allowed an attacker to corrupt memory leading to a potentially...

Mozilla Firefox ESR < 78.12

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 78.12. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2021-29 advisory. - An out of bounds write in ANGLE could have allowed an attacker to corrupt memory leading to a potentiall...

Security Vulnerabilities fixed in Firefox ESR 78.12 — Mozilla

A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. This bug only affected Firefox when accessibility was enabled. An out of bounds write in ANGLE could have allowed an attacker to corrupt memory leading to a potentially exploitable...

CVE-2021-23983

By causing a transition on a parent node by removing a CSS rule, an invalid property for a marker could have been applied, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox 87...

NewStart CGSL MAIN 6.02 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0056)

The remote NewStart CGSL host, running version MAIN 6.02, has thunderbird packages installed that are affected by multiple vulnerabilities: - Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially...

CVE-2020-26972

The lifecycle of IPC Actors allows managed actors to outlive their manager actors; and the former must ensure that they are not attempting to use a dead actor they have a reference to. Such a check was omitted in WebGL, resulting in a use-after-free and a potentially exploitable crash. This...

CVE-2020-26974

When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox 84, Thunderbird 78.6, and Firefox ESR...

CVE-2020-26959

During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox 83, Firefox ESR 78.5, and Thunderbird 78.5...

Mozilla: Use-after-free in WebRequestService

During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox 83, Firefox ESR 78.5, and Thunderbird 78.5...

Out-of-bounds (OOB) Read

firefox:trusty is vulnerable to out-of-bounds read. It can occur when the buffer of a texture client is freed while it is still in use during graphic operations. This results is a potentially exploitable crash and the possibility of reading from the memory of the freed buffers...

CVE-2018-12371

An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at least 16 GB of RAM. This results in the use of uninitialized memory, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR 60.1, Thunderbird 60, an...

CVE-2019-11705

A flaw in Thunderbird's implementation of iCal causes a stack buffer overflow in icalrecuraddbydayrules when processing certain email messages, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird 60.7.1. Mitigation Thunderbird can be configured to use icaljs inste...

Code injection

When a device was changed while a stream was about to be destroyed, the stream-reinit task may have been executed after the stream was destroyed, causing a use-after-free and a potentially exploitable crash. This vulnerability affects Thunderbird 68.6, Firefox 74, Firefox ESR68.6, and Firefox ESR...

CVE-2020-6807

When a device was changed while a stream was about to be destroyed, the stream-reinit task may have been executed after the stream was destroyed, causing a use-after-free and a potentially exploitable crash. This vulnerability affects Thunderbird 68.6, Firefox 74, Firefox ESR68.6, and Firefox ESR...

CVE-2019-17010

Under certain conditions, when checking the Resist Fingerprinting preference during device orientation checks, a race condition could have caused a use-after-free and a potentially exploitable crash. This vulnerability affects Thunderbird 68.3, Firefox ESR 68.3, and Firefox 71...

CVE-2020-5235 Out-of-memory condition in Nanopb is potentially exploitable

There is a potentially exploitable out of memory condition In Nanopb before 0.4.1, 0.3.9.5, and 0.2.9.4. When nanopb is compiled with PBENABLEMALLOC, the message to be decoded contains a repeated string, bytes or message field and realloc runs out of memory when expanding the array nanopb can end...