Integer overflow

An integer overflow can occur during conversion of text to some Unicode character sets due to an unchecked length parameter. This vulnerability affects Firefox ESR 52.7 and Thunderbird 52.7...

Design/Logic Flaw

Characters from the "Canadian Syllabics" unicode block can be mixed with characters from other unicode blocks in the addressbar instead of being rendered as their raw "punycode" form, allowing for domain name spoofing attacks through character confusion. The current Unicode standard allows...

CVE-2017-7832

CVE-2017-7832 concerns Firefox = 57.0. No exploitation status or in-the-wild details are provided in the supplied documents. Monitor for updates from Mozilla security advisories and CVE trackers.

CVE-2017-7764

CVE-2017-7764 concerns a domain spoofing issue in the address bar caused by mixing Canadian Syllabics with Latin characters in IDN rendering. Affected products include Firefox before 54, Firefox ESR before 52.2, and Thunderbird before 52.2. The vulnerability arises from the Unicode handling that ...

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-2017-7764

Characters from the "Canadian Syllabics" unicode block can be mixed with characters from other unicode blocks in the addressbar instead of being rendered as their raw "punycode" form, allowing for domain name spoofing attacks through character confusion. The current Unicode standard allows...

CVE-2018-5178

CVE-2018-5178: A buffer overflow during UTF-8 to Unicode string conversion in JavaScript can occur when a vulnerable legacy extension is used. Affected products include Thunderbird ESR and Firefox ESR up to version 52.8 (ESR branches); Thunderbrid/Firefox ESR

CVE-2017-5383

CVE-2017-5383 describes spoofing via specific Unicode glyphs used to alter the location bar content. The initial entry notes impact on Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox

CVE-2018-5144

CVE-2018-5144 describes an integer overflow during Unicode text conversion caused by an unchecked length parameter. Affected products: Firefox ESR and Thunderbird (pre-52.7). Root cause: overflow during Unicode conversion. Impact: potential remote code execution or memory issues as implied by the...

CVE-2017-7832

The combined, single character, version of the letter 'i' with any of the potential accents in unicode, such as acute or grave, can be spoofed in the addressbar by the dotless version of 'i' followed by the same accent as a second character with most font sets. This allows for domain spoofing...

CVE-2018-5178

A buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts of data. This vulnerability requires the use of a malicious or vulnerable legacy extension in order to occur. This vulnerability affects Thunderbird ESR 52.8, Thunderbird 52.8, and...

CVE-2017-5449

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...

CVE-2018-5144

An integer overflow can occur during conversion of text to some Unicode character sets due to an unchecked length parameter. This vulnerability affects Firefox ESR 52.7 and Thunderbird 52.7...

CVE-2018-5173

The filename appearing in the "Downloads" panel improperly renders some Unicode characters, allowing for the file name to be spoofed. This can be used to obscure the file extension of potentially executable files from user view in the panel. Note: the dialog to open the file will show the full,...

CVE-2017-5383

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...

CVE-2017-5383

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...

CVE-2017-7764

Characters from the "Canadian Syllabics" unicode block can be mixed with characters from other unicode blocks in the addressbar instead of being rendered as their raw "punycode" form, allowing for domain name spoofing attacks through character confusion. The current Unicode standard allows...

CVE-2018-5178

A buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts of data. This vulnerability requires the use of a malicious or vulnerable legacy extension in order to occur. This vulnerability affects Thunderbird ESR 52.8, Thunderbird 52.8, and...

CVE-2018-5144

An integer overflow can occur during conversion of text to some Unicode character sets due to an unchecked length parameter. This vulnerability affects Firefox ESR 52.7 and Thunderbird 52.7...

CVE-2017-7832

The combined, single character, version of the letter 'i' with any of the potential accents in unicode, such as acute or grave, can be spoofed in the addressbar by the dotless version of 'i' followed by the same accent as a second character with most font sets. This allows for domain spoofing...