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CVE-2020-6831

usrsctp: Buffer overflow in AUTH chunk input validation

A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.

CVSS 3.1 · 9.8 Critical EPSS 5.8% KEV · Not listed
Vendors
Canonical Debian Mozilla and 2 more
Products
Ubuntu Linux Debian Linux Firefox and 7 more
CVE-2020-6825

Mozilla: Memory safety bugs fixed in Firefox 75 and Firefox ESR 68.7

Mozilla developers and community members Tyson Smith and Christian Holler reported memory safety bugs present in Firefox 74 and Firefox ESR 68.6. 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 Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

CVSS 3.1 · 9.8 Critical EPSS 2.2% KEV · Not listed
Vendors
Mozilla Redhat
Products
Firefox Firefox Esr Thunderbird and 2 more
CVE-2020-6822

Mozilla: Out of bounds write in GMPDecodeData when processing large images

On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in <code>GMPDecodeData</code>. It is possible that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

CVSS 3.1 · 8.8 High EPSS 1.3% KEV · Not listed
Vendors
Mozilla Redhat
Products
Firefox Firefox Esr Thunderbird and 2 more
CVE-2020-6821

Mozilla: Uninitialized memory could be read when using the WebGL copyTexSubImage method

When reading from areas partially or fully outside the source resource with WebGL's <code>copyTexSubImage</code> method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

CVSS 3.1 · 7.5 High EPSS 1.5% KEV · Not listed
Vendors
Mozilla Redhat
Products
Firefox Firefox Esr Thunderbird and 2 more
CVE-2020-6814

Mozilla: Memory safety bugs fixed in Firefox 74 and Firefox ESR 68.6

Mozilla developers reported memory safety bugs present in Firefox and Thunderbird 68.5. 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 Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.

CVSS 3.1 · 9.8 Critical EPSS 1.9% KEV · Not listed
Vendors
Canonical Mozilla Redhat
Products
Ubuntu Linux Firefox Firefox Esr and 3 more
CVE-2020-6812

Mozilla: The names of AirPods with personally identifiable information were exposed to websites with camera or microphone permission

The first time AirPods are connected to an iPhone, they become named after the user's name by default (e.g. Jane Doe's AirPods.) Websites with camera or microphone permission are able to enumerate device names, disclosing the user's name. To resolve this issue, Firefox added a special case that renames devices containing the substring 'AirPods' to simply 'AirPods'. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.

CVSS 3.1 · 5.3 Medium EPSS 1.6% KEV · Not listed
Vendors
Canonical Mozilla Redhat
Products
Ubuntu Linux Firefox Firefox Esr and 3 more
CVE-2020-6811

Mozilla: Devtools' 'Copy as cURL' feature did not fully escape website-controlled data, potentially leading to command injection

The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP method of a request, which can be controlled by the website. If a user used the 'Copy as Curl' feature and pasted the command into a terminal, it could have resulted in command injection and arbitrary command execution. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.

CVSS 3.1 · 8.8 High EPSS 3.3% KEV · Not listed
Vendors
Canonical Mozilla Redhat
Products
Ubuntu Linux Firefox Firefox Esr and 3 more
CVE-2020-6807

Mozilla: Use-after-free in cubeb during stream destruction

When a device was changed while a stream was about to be destroyed, the <code>stream-reinit</code> 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 < 68.6.

CVSS 3.1 · 8.8 High EPSS 1.5% KEV · Not listed
Vendors
Canonical Mozilla Redhat
Products
Ubuntu Linux Firefox Firefox Esr and 3 more
CVE-2020-6806

Mozilla: BodyStream:: OnInputStreamReady was missing protections against state confusion

By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.

CVSS 3.1 · 8.8 High EPSS 2.6% KEV · Not listed
Vendors
Canonical Mozilla Redhat
Products
Ubuntu Linux Firefox Firefox Esr and 3 more
CVE-2020-6805

Mozilla: Use-after-free when removing data about origins

When removing data about an origin whose tab was recently closed, a use-after-free could occur in the Quota manager, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.

CVSS 3.1 · 8.8 High EPSS 1.5% KEV · Not listed
Vendors
Canonical Mozilla Redhat
Products
Ubuntu Linux Firefox Firefox Esr and 3 more
CVE-2020-6800

Mozilla: Memory safety bugs fixed in Firefox 73 and Firefox ESR 68.5

Mozilla developers and community members reported memory safety bugs present in Firefox 72 and Firefox ESR 68.4. 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. In general, these flaws cannot be exploited through email in the Thunderbird product because scripting is disabled when reading mail, but are potentially risks in browser or browser-like contexts. This vulnerability affects Thunderbird < 68.5, Firefox < 73, and Firefox < ESR68.5.

CVSS 3.1 · 8.8 High EPSS 2.3% KEV · Not listed
Vendors
Canonical Mozilla Redhat
Products
Ubuntu Linux Firefox Firefox Esr and 3 more
CVE-2020-6798

Mozilla: Incorrect parsing of template tag could result in JavaScript injection

If a template tag was used in a select tag, the parser could be confused and allow JavaScript parsing and execution when it should not be allowed. A site that relied on the browser behaving correctly could suffer a cross-site scripting vulnerability as a result. In general, this flaw cannot be exploited through email in the Thunderbird product because scripting is disabled when reading mail, but is potentially a risk in browser or browser-like contexts. This vulnerability affects Thunderbird < 68.5, Firefox < 73, and Firefox < ESR68.5.

CVSS 3.1 · 6.1 Medium EPSS 2.0% KEV · Not listed
Vendors
Mozilla Redhat
Products
Firefox Firefox Esr Thunderbird and 2 more
CVE-2020-6796

Mozilla: Missing bounds check on shared memory read in the parent process

A content process could have modified shared memory relating to crash reporting information, crash itself, and cause an out-of-bound write. This could have caused memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 73 and Firefox < ESR68.5.

CVSS 3.1 · 8.8 High EPSS 1.4% KEV · Not listed
Vendors
Mozilla Redhat
Products
Firefox Firefox Esr Enterprise Linux and 1 more
CVE-2020-6795

Mozilla: Crash processing S/MIME messages with multiple signatures

When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, leading to an unexploitable crash. This vulnerability affects Thunderbird < 68.5.

CVSS 3.1 · 6.5 Medium EPSS 1.3% KEV · Not listed
Vendors
Mozilla Redhat
Products
Thunderbird Enterprise Linux Rhel E4s
CVE-2020-6794

Mozilla: Setting a master password post-Thunderbird 52 does not delete unencrypted previously stored passwords

If a user saved passwords before Thunderbird 60 and then later set a master password, an unencrypted copy of these passwords is still accessible. This is because the older stored password file was not deleted when the data was copied to a new format starting in Thunderbird 60. The new master password is added only on the new file. This could allow the exposure of stored password data outside of user expectations. This vulnerability affects Thunderbird < 68.5.

CVSS 3.1 · 6.5 Medium EPSS 1.0% KEV · Not listed
Vendors
Canonical Mozilla Redhat
Products
Ubuntu Linux Thunderbird Enterprise Linux and 1 more
CVE-2020-6793

Mozilla: Out-of-bounds read when processing certain email messages

When processing an email message with an ill-formed envelope, Thunderbird could read data from a random memory location. This vulnerability affects Thunderbird < 68.5.

CVSS 3.1 · 6.5 Medium EPSS 1.5% KEV · Not listed
Vendors
Mozilla Redhat
Products
Thunderbird Enterprise Linux Rhel E4s
CVE-2020-6514

chromium-browser: Inappropriate implementation in WebRTC

Inappropriate implementation in WebRTC in Google Chrome prior to 84.0.4147.89 allowed an attacker in a privileged network position to potentially exploit heap corruption via a crafted SCTP stream.

CVSS 3.1 · 6.5 Medium EPSS 7.8% KEV · Not listed
Vendors
Apple Canonical Debian and 4 more
Products
Ipados Iphone Os Safari and 12 more
CVE-2020-6416

chromium-browser: Insufficient data validation in streams

Insufficient data validation in streams in Google Chrome prior to 80.0.3987.87 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS 3.1 · 8.8 High EPSS 2.0% KEV · Not listed
Vendors
Debian Fedoraproject Google and 3 more
Products
Debian Linux Fedora Chrome and 7 more