CVE-2018-5159

Mozilla: Integer overflow and out-of-bounds write in Skia

An integer overflow can occur in the Skia library due to 32-bit integer use in an array without integer overflow checks, resulting in possible out-of-bounds writes. This could lead to a potentially exploitable crash triggerable by web content. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.

CVSS 3.0 · 9.8 Critical EPSS 20.6% KEV · Not listed

Vendors

Canonical Debian Mozilla and 1 more

Products

Ubuntu Linux Debian Linux Firefox and 9 more

CVE-2017-5451

Mozilla: Addressbar spoofing with onblur event (MFSA 2017-12)

A mechanism to spoof the addressbar through the user interaction on the addressbar and the "onblur" event. The event could be used by script to affect text display to make the loaded site appear to be different from the one actually loaded within the addressbar. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.

CVSS 3.0 · 4.3 Medium EPSS 1.5% KEV · Not listed

Vendors

Mozilla Redhat

Products

Firefox Thunderbird Enterprise Linux and 5 more

CVE-2017-5449

Mozilla: Crash during bidirectional unicode manipulation with animation (MFSA 2017-11, MFSA 2017-12)

A possibly exploitable crash triggered during layout and manipulation of bidirectional unicode text in concert with CSS animations. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.

CVSS 3.0 · 7.5 High EPSS 2.5% KEV · Not listed

Vendors

Mozilla Redhat

Products

Firefox Thunderbird Enterprise Linux and 5 more

CVE-2017-5448

Mozilla: Out-of-bounds write in ClearKeyDecryptor (MFSA 2017-11, MFSA 2017-12)

An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content. The "ClearKeyDecryptor" code runs within the Gecko Media Plugin (GMP) sandbox. If a second mechanism is found to escape the sandbox, this vulnerability allows for the writing of arbitrary data within memory, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVSS 3.0 · 8.6 High EPSS 2.0% KEV · Not listed

Vendors

Debian Mozilla Redhat

Products

Debian Linux Firefox Enterprise Linux and 5 more

CVE-2017-5447

Mozilla: Out-of-bounds read during glyph processing (MFSA 2017-11, MFSA 2017-12)

An out-of-bounds read during the processing of glyph widths during text layout. This results in a potentially exploitable crash and could allow an attacker to read otherwise inaccessible memory. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVSS 3.0 · 9.1 Critical EPSS 17.0% KEV · Not listed

Vendors

Debian Mozilla Redhat

Products

Debian Linux Firefox Thunderbird and 6 more

CVE-2017-5446

Mozilla: Out-of-bounds read when HTTP/2 DATA frames are sent with incorrect data (MFSA 2017-11, MFSA 2017-12)

An out-of-bounds read when an HTTP/2 connection to a servers sends "DATA" frames with incorrect data content. This leads to a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVSS 3.0 · 9.8 Critical EPSS 3.0% KEV · Not listed

Vendors

Debian Mozilla Redhat

Products

Debian Linux Firefox Thunderbird and 6 more

CVE-2017-5445

Mozilla: Uninitialized values used while parsing application/http-index-format content (MFSA 2017-11, MFSA 2017-12)

A vulnerability while parsing "application/http-index-format" format content where uninitialized values are used to create an array. This could allow the reading of uninitialized memory into the arrays affected. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVSS 3.0 · 7.5 High EPSS 2.6% KEV · Not listed

Vendors

Debian Mozilla Redhat

Products

Debian Linux Firefox Thunderbird and 6 more

CVE-2018-5150

Mozilla: Memory safety bugs fixed in Firefox 60 and Firefox ESR 52.8

Memory safety bugs were reported in Firefox 59, Firefox ESR 52.7, and Thunderbird 52.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.

CVSS 3.0 · 9.8 Critical EPSS 3.1% KEV · Not listed

Vendors

Canonical Debian Mozilla and 1 more

Products

Ubuntu Linux Debian Linux Firefox and 9 more

CVE-2017-5444

Mozilla: Buffer overflow while parsing application/http-index-format content (MFSA 2017-11, MFSA 2017-12)

A buffer overflow vulnerability while parsing "application/http-index-format" format content when the header contains improperly formatted data. This allows for an out-of-bounds read of data from memory. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVSS 3.0 · 7.5 High EPSS 6.8% KEV · Not listed

Vendors

Debian Mozilla Redhat

Products

Debian Linux Firefox Thunderbird and 6 more

CVE-2017-5443

Mozilla: Out-of-bounds write during BinHex decoding (MFSA 2017-11, MFSA 2017-12)

An out-of-bounds write vulnerability while decoding improperly formed BinHex format archives. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVSS 3.0 · 9.8 Critical EPSS 3.0% KEV · Not listed

Vendors

Debian Mozilla Redhat

Products

Debian Linux Firefox Thunderbird and 6 more

CVE-2019-9794

Mozilla: Command line arguments not discarded during execution

A vulnerability was discovered where specific command line arguments are not properly discarded during Firefox invocation as a shell handler for URLs. This could be used to retrieve and execute files whose location is supplied through these command line arguments if Firefox is configured as the default URI handler for a given URI scheme in third party applications and these applications insufficiently sanitize URL data. *Note: This issue only affects Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.

CVSS 3.0 · 9.8 Critical EPSS 1.8% KEV · Not listed

Vendors

Microsoft Mozilla

Products

Windows Firefox Thunderbird

CVE-2017-5442

Mozilla: Use-after-free during style changes (MFSA 2017-11, MFSA 2017-12)

A use-after-free vulnerability during changes in style when manipulating DOM elements. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVSS 3.0 · 9.8 Critical EPSS 2.6% KEV · Not listed

Vendors

Debian Mozilla Redhat

Products

Debian Linux Firefox Thunderbird and 6 more

CVE-2017-5441

Mozilla: Use-after-free with selection during scroll events (MFSA 2017-11, MFSA 2017-12)

A use-after-free vulnerability when holding a selection during scroll events. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVSS 3.0 · 9.8 Critical EPSS 2.9% KEV · Not listed

Vendors

Debian Mozilla Redhat

Products

Debian Linux Firefox Thunderbird and 6 more

CVE-2017-5440

Mozilla: Use-after-free in txExecutionState destructor during XSLT processing (MFSA 2017-11, MFSA 2017-12)

A use-after-free vulnerability during XSLT processing due to a failure to propagate error conditions during matching while evaluating context, leading to objects being used when they no longer exist. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVSS 3.0 · 9.8 Critical EPSS 2.9% KEV · Not listed

Vendors

Debian Mozilla Redhat

Products

Debian Linux Firefox Thunderbird and 6 more

CVE-2017-5439

Mozilla: Use-after-free in nsTArray Length() during XSLT processing (MFSA 2017-11, MFSA 2017-12)

A use-after-free vulnerability during XSLT processing due to poor handling of template parameters. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVSS 3.0 · 9.8 Critical EPSS 3.5% KEV · Not listed

Vendors

Debian Mozilla Redhat

Products

Debian Linux Firefox Thunderbird and 6 more

CVE-2017-5438

Mozilla: Use-after-free in nsAutoPtr during XSLT processing (MFSA 2017-11, MFSA 2017-12)

A use-after-free vulnerability during XSLT processing due to the result handler being held by a freed handler during handling. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVSS 3.0 · 9.8 Critical EPSS 3.5% KEV · Not listed

Vendors

Debian Mozilla Redhat

Products

Debian Linux Firefox Thunderbird and 6 more

CVE-2017-5435

Mozilla: Use-after-free during transaction processing in the editor (MFSA 2017-11, MFSA 2017-12)

A use-after-free vulnerability occurs during transaction processing in the editor during design mode interactions. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVSS 3.0 · 9.8 Critical EPSS 3.1% KEV · Not listed

Vendors

Debian Mozilla Redhat

Products

Debian Linux Firefox Thunderbird and 6 more

CVE-2018-5146

Mozilla: Vorbis audio processing out of bounds write (MFSA 2018-08)

An out of bounds memory write while processing Vorbis audio data was reported through the Pwn2Own contest. This vulnerability affects Firefox < 59.0.1, Firefox ESR < 52.7.2, and Thunderbird < 52.7.

CVSS 3.0 · 8.8 High EPSS 11.9% KEV · Not listed

Vendors

Canonical Debian Mozilla and 1 more

Products

Ubuntu Linux Debian Linux Firefox and 8 more

CVE-2017-5434

Mozilla: Use-after-free during focus handling (MFSA 2017-11, MFSA 2017-12)

A use-after-free vulnerability occurs when redirecting focus handling which results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVSS 3.0 · 9.8 Critical EPSS 3.5% KEV · Not listed

Vendors

Debian Mozilla Redhat

Products

Debian Linux Firefox Thunderbird and 4 more

CVE-2017-5433

Mozilla: Use-after-free in SMIL animation functions (MFSA 2017-11, MFSA 2017-12)

A use-after-free vulnerability in SMIL animation functions occurs when pointers to animation elements in an array are dropped from the animation controller while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVSS 3.0 · 9.8 Critical EPSS 3.5% KEV · Not listed

Vendors

Debian Mozilla Redhat

Products

Debian Linux Firefox Thunderbird and 6 more