CVE-2017-7751

Mozilla: Use-after-free with content viewer listeners (MFSA 2017-16)

A use-after-free vulnerability with content viewer listeners that results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

CVSS 3.0 · 9.8 Critical EPSS 2.8% KEV · Not listed

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CVE-2017-5404

Mozilla: Use-after-free working with ranges in selections (MFSA 2017-06)

A use-after-free error can occur when manipulating ranges in selections with one node inside a native anonymous tree and one node outside of it. This results in a potentially exploitable crash. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

CVSS 3.0 · 9.8 Critical EPSS 16.9% KEV · Not listed

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CVE-2017-5398

Mozilla: Memory safety bugs fixed in Firefox 52 and Firefox ESR 45.8 (MFSA 2017-06)

Memory safety bugs were reported in Thunderbird 45.7. 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 Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

CVSS 3.0 · 9.8 Critical EPSS 3.7% KEV · Not listed

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CVE-2017-5400

Mozilla: asm.js JIT-spray bypass of ASLR and DEP (MFSA 2017-06)

JIT-spray targeting asm.js combined with a heap spray allows for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

CVSS 3.0 · 9.8 Critical EPSS 3.6% KEV · Not listed

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CVE-2017-5405

Mozilla: FTP response codes can cause use of uninitialized values for ports (MFSA 2017-06)

Certain response codes in FTP connections can result in the use of uninitialized values for ports in FTP operations. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

CVSS 3.0 · 5.3 Medium EPSS 2.5% KEV · Not listed

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CVE-2017-5407

Mozilla: Pixel and history stealing via floating-point timing side channel with SVG filters (MFSA 2017-06)

Using SVG filters that don't use the fixed point math implementation on a target iframe, a malicious page can extract pixel values from a targeted user. This can be used to extract history information and read text values across domains. This violates same-origin policy and leads to information disclosure. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

CVSS 3.0 · 6.5 Medium EPSS 2.7% KEV · Not listed

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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

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CVE-2017-7793

Mozilla: Use-after-free with Fetch API (MFSA 2017-22)

A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

CVSS 3.0 · 9.8 Critical EPSS 2.3% KEV · Not listed

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CVE-2017-7800

Mozilla: Use-after-free in WebSockets during disconnection (MFSA 2017-19)

A use-after-free vulnerability can occur in WebSockets when the object holding the connection is freed before the disconnection operation is finished. This results in an exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

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

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CVE-2017-7801

Mozilla: Use-after-free with marquee during window resizing

A use-after-free vulnerability can occur while re-computing layout for a "marquee" element during window resizing where the updated style object is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

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

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CVE-2017-5383

Mozilla: Location bar spoofing with unicode characters (MFSA 2017-02)

URLs containing certain unicode glyphs for alternative hyphens and quotes do not properly trigger punycode display, allowing for domain name spoofing attacks in the location bar. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.

CVSS 3.0 · 5.3 Medium EPSS 2.4% KEV · Not listed

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CVE-2017-5386

Mozilla: WebExtensions can use data: protocol to affect other extensions (MFSA 2017-02)

WebExtension scripts can use the "data:" protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation in affected extensions. This vulnerability affects Firefox ESR < 45.7 and Firefox < 51.

CVSS 3.0 · 7.3 High EPSS 2.2% KEV · Not listed

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CVE-2017-7814

Mozilla: Blob and data URLs bypass phishing and malware protection warnings (MFSA 2017-22)

File downloads encoded with "blob:" and "data:" URL elements bypassed normal file download checks though the Phishing and Malware Protection feature and its block lists of suspicious sites and files. This would allow malicious sites to lure users into downloading executables that would otherwise be detected as suspicious. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

CVSS 3.0 · 7.8 High EPSS 1.2% KEV · Not listed

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CVE-2017-7818

Mozilla: Use-after-free during ARIA array manipulation (MFSA 2017-22)

A use-after-free vulnerability can occur when manipulating arrays of Accessible Rich Internet Applications (ARIA) elements within containers through the DOM. This results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

CVSS 3.0 · 9.8 Critical EPSS 3.3% KEV · Not listed

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CVE-2017-5380

Mozilla: Potential use-after-free during DOM manipulations (MFSA 2017-02)

A potential use-after-free found through fuzzing during DOM manipulation of SVG content. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.

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

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CVE-2017-5390

Mozilla: Insecure communication methods in Developer Tools JSON viewer (MFSA 2017-02)

The JSON viewer in the Developer Tools uses insecure methods to create a communication channel for copying and viewing JSON or HTTP headers data, allowing for potential privilege escalation. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.

CVSS 3.0 · 9.8 Critical EPSS 3.8% KEV · Not listed

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CVE-2017-7828

Mozilla: Use-after-free of PressShell while restyling layout (MFSA 2017-25)

A use-after-free vulnerability can occur when flushing and resizing layout because the "PressShell" object has been freed while still in use. This results in a potentially exploitable crash during these operations. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.

CVSS 3.0 · 9.8 Critical EPSS 7.2% KEV · Not listed

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CVE-2017-7830

Mozilla: Cross-origin URL information leak through Resource Timing API (MFSA 2017-25)

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.

CVSS 3.0 · 6.5 Medium EPSS 2.4% KEV · Not listed

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CVE-2017-5373

Mozilla: Memory safety bugs fixed in Firefox 51 and Firefox ESR 45.7 (MFSA 2017-01)

Memory safety bugs were reported in Firefox 50.1 and Firefox ESR 45.6. 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 < 45.7, Firefox ESR < 45.7, and Firefox < 51.

CVSS 3.0 · 9.8 Critical EPSS 3.3% KEV · Not listed

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CVE-2017-5375

Mozilla: Excessive JIT code allocation allows bypass of ASLR and DEP (MFSA 2017-02)

JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.

CVSS 3.0 · 9.8 Critical EPSS 34.1% KEV · Not listed

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Debian Mozilla Redhat

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Debian Linux Firefox Thunderbird and 4 more