CVE-2018-5117

If right-to-left text is used in the addressbar with left-to-right alignment, it is possible in some circumstances to scroll this text to spoof the displayed URL. This issue could result in the wrong URL being displayed as a location, which can mislead users to believe they are on a different sit...

CVE-2017-5446

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...

CVE-2017-5467

A potential memory corruption and crash when using Skia content when drawing content outside of the bounds of a clipping region. This vulnerability affects Thunderbird 52.1, Firefox ESR 52.1, and Firefox 53...

CVE-2018-5104

A use-after-free vulnerability can occur during font face manipulation when a font face is freed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird 52.6, Firefox ESR 52.6, and Firefox 58...

CVE-2017-5439

CVE-2017-5439 is a use-after-free in XSLT processing caused by improper handling of template parameters (nsTArray Length()) in Mozilla code, affecting Firefox and Thunderbird. It targets Firefox < 53 (and related ESR branches) and Thunderbird

CVE-2016-9905

CVE-2016-9905 is tied to a crash in EnumerateSubDocuments when adding or removing sub-documents, affecting Thunderbird and Firefox ESR prior to 45.6. The connected sources consistently identify a crash/memory safety context (e.g., use-after-free and memory corruption patterns across related CVEs)...

CVE-2017-5390

CVE-2017-5390 concerns the JSON viewer in Mozilla/Thunderbird Developer Tools that uses insecure methods to copy/view JSON or HTTP header data, enabling potential privilege escalation. Concrete details in connected docs show this affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox

CVE-2017-5462

The CVE-2017-5462 issue is a DRBG generation flaw in the NSS library where the internal state V does not correctly carry bits over. This vulnerability affects Mozilla products including Thunderbird (<52.1), Firefox ESR (<52.1), Firefox (

CVE-2017-5446

Technical details about CVE-2017-5446 are not publicly available in the provided connected documents. Monitor for updates from vendors and security advisories to confirm affected products, impact, and fixes.

CVE-2017-5440

CVE-2017-5440 is a use-after-free in XSLT processing caused by failure to propagate error conditions during matching while evaluating context, leading to use of freed objects and potentially a crash. Affected products include Mozilla Firefox (Firefox < 53) and Firefox ESR, and Mozilla Thunderb...

CVE-2017-5435

CVE-2017-5435 is a use-after-free in Firefox/Thunderbird during editor design-mode transaction processing, causing a potentially exploitable crash. Public details place affected products as Firefox/Firefox ESR and Thunderbird prior to certain fixed versions (e.g., Thunderbird < 52.1, Firefox E...

CVE-2017-5449

CVE-2017-5449 affects Mozilla Firefox (and Thunderbird) components where a crash can be triggered during layout/manipulation of bidirectional Unicode text in concert with CSS animations. Public records in connected advisories indicate affected versions: Thunderbird < 52.1, Firefox ESR < 52....

CVE-2017-7761

The Mozilla Maintenance Service "helper.exe" application creates a temporary directory writable by non-privileged users. When this is combined with creation of a junction a form of symbolic link, protected files in the target directory of the junction can be deleted by the Mozilla Maintenance...

CVE-2017-7792

The CVE-2017-7792 issue affects Thunderbird (< 52.3), Firefox ESR (< 52.3), and Firefox (

CVE-2018-5125

CVE-2018-5125 is a memory-safety issue reported in Thunderbird < 52.7, Firefox ESR < 52.7, and Firefox

CVE-2018-5104

CVE-2018-5104 is a use-after-free in font-face manipulation that can trigger a crash when a font face is freed while still in use. Affected products include Mozilla Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox

CVE-2017-7792

A buffer overflow will occur when viewing a certificate in the certificate manager if the certificate has an extremely long object identifier OID. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 52.3, Firefox ESR 52.3, and Firefox 55...

CVE-2017-5464

During DOM manipulations of the accessibility tree through script, the DOM tree can become out of sync with the accessibility tree, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 52.1, Firefox ESR 45.9, Firefox ESR 52.1, and Firefox 53...

CVE-2017-5438

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...

CVE-2017-7784

A use-after-free vulnerability can occur when reading an image observer during frame reconstruction after the observer has been freed. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 52.3, Firefox ESR 52.3, and Firefox 55...