Arbitrary Code Execution

thunderbird is vulnerable to arbitrary code execution attacks. The vulnerability exists as memory safety bugs were reported in Firefox 57 and Firefox ESR 52.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to r...

CVE-2017-7834

A "data:" URL loaded in a new tab did not inherit the Content Security Policy CSP of the original page, allowing for bypasses of the policy including the execution of JavaScript. In prior versions when "data:" documents also inherited the context of the original page this would allow for potentia...

CVE-2017-7840

JavaScript can be injected into an exported bookmarks file by placing JavaScript code into user-supplied tags in saved bookmarks. If the resulting exported HTML file is later opened in a browser this JavaScript will be executed. This could be used in social engineering and self-cross-site-scripti...

CVE-2017-7835

Mixed content blocking of insecure HTTP sub-resources in a secure HTTPS document was not correctly applied for resources that redirect from HTTPS to HTTP, allowing content that should be blocked, such as scripts, to be loaded on a page. This vulnerability affects Firefox 57...

CVE-2017-7836

The "pingsender" executable used by the Firefox Health Report dynamically loads a system copy of libcurl, which an attacker could replace. This allows for privilege escalation as the replaced libcurl code will run with Firefox's privileges. Note: This attack requires an attacker have local system...

CVE-2017-7831

A vulnerability where the security wrapper does not deny access to some exposed properties using the deprecated "exposedProps" mechanism on proxy objects. These properties should be explicitly unavailable to proxy objects. This vulnerability affects Firefox 57...

Code injection

If a document's Referrer Policy attribute is set to "no-referrer" sometimes two network requests are made for "" elements instead of one. One of these requests includes the referrer instead of respecting the set policy to not include a referrer on requests. This vulnerability affects Firefox 57...

Code injection

SVG loaded through "" tags can use "" tags within the SVG data to set cookies for that page. This vulnerability affects Firefox 57...

Design/Logic Flaw

A combination of an external SVG image referenced on a page and the coloring of anchor links stored within this image can be used to determine which pages a user has in their history. This can allow a malicious website to query user history. Note: This issue only affects Firefox 57. Earlier...

Memory corruption

Memory safety bugs were reported in Firefox 57. 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 58...

Memory corruption

Memory safety bugs were reported in Firefox 57 and Firefox ESR 52.5. 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 52.6, Firefox ESR 52.6, and Firef...

CVE-2018-5089

CVE-2018-5089 is a memory-safety vulnerability affecting Mozilla products: Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox

CVE-2017-7835

CVE-2017-7835 affects Mozilla Firefox < 57.0. The issue is that mixed content blocking for insecure (HTTP) sub-resources in HTTPS pages failed for resources that redirect from HTTPS to HTTP, allowing blocked content such as scripts to load. The connected Nessus/Ubuntu advisories corroborate th...

CVE-2017-7837

CVE-2017-7837 affects Mozilla Firefox up to version 57 (pre-57). SVG data loaded via an tag can use embedded tags to set cookies for that page. This is described in the mfsa2017-24 advisory and related CVEs; no exploit details are provided in the sources. Remediation: upgrade to Firefox 57 or n...

CVE-2017-7836

The "pingsender" executable used by the Firefox Health Report dynamically loads a system copy of libcurl, which an attacker could replace. This allows for privilege escalation as the replaced libcurl code will run with Firefox's privileges. Note: This attack requires an attacker have local system...

CVE-2017-7839

Control characters prepended before "javascript:" URLs pasted in the addressbar can cause the leading characters to be ignored and the pasted JavaScript to be executed instead of being blocked. This could be used in social engineering and self-cross-site-scripting self-XSS attacks where users are...

CVE-2017-7835

Mixed content blocking of insecure HTTP sub-resources in a secure HTTPS document was not correctly applied for resources that redirect from HTTPS to HTTP, allowing content that should be blocked, such as scripts, to be loaded on a page. This vulnerability affects Firefox 57...

CVE-2017-7835

Mixed content blocking of insecure HTTP sub-resources in a secure HTTPS document was not correctly applied for resources that redirect from HTTPS to HTTP, allowing content that should be blocked, such as scripts, to be loaded on a page. This vulnerability affects Firefox 57...

CVE-2017-7834

A "data:" URL loaded in a new tab did not inherit the Content Security Policy CSP of the original page, allowing for bypasses of the policy including the execution of JavaScript. In prior versions when "data:" documents also inherited the context of the original page this would allow for potentia...

CVE-2017-7838

Punycode format text will be displayed for entire qualified international domain names in some instances when a sub-domain triggers the punycode display instead of the primary domain being displayed in native script and the sub-domain only displaying as punycode. This could be used for limited...