| Name | CVE-2017-7763 |
| Description | Default fonts on OS X display some Tibetan characters as whitespace. When used in the addressbar as part of an IDN this can be used for domain name spoofing attacks. Note: This attack only affects OS X operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| firefox (PTS) | sid | 111.0.1-1 | fixed |
| firefox-esr (PTS) | jessie, jessie (lts) | 68.9.0esr-1~deb8u2 | fixed |
| stretch (security), stretch (lts), stretch | 91.11.0esr-1~deb9u1 | fixed | |
| buster | 91.12.0esr-1~deb10u1 | fixed | |
| buster (security) | 102.9.0esr-1~deb10u1 | fixed | |
| bullseye | 91.13.0esr-1~deb11u1 | fixed | |
| bullseye (security) | 102.9.0esr-1~deb11u1 | fixed | |
| sid, bookworm | 102.9.0esr-2 | fixed | |
| icedove (PTS) | jessie | 1:52.3.0-4~deb8u2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| firefox | source | (unstable) | (not affected) | |||
| firefox-esr | source | (unstable) | (not affected) | |||
| icedove | source | (unstable) | (not affected) |
- firefox <not-affected> (Only firefox on Mac OS X)
- firefox-esr <not-affected> (Only Firefox ESR on Mac OS X)
- icedove <not-affected> (Only Thunderbird on Mac OS X)
https://www.mozilla.org/en-US/security/advisories/mfsa2017-15/#CVE-2017-7763
https://www.mozilla.org/en-US/security/advisories/mfsa2017-16/#CVE-2017-7763
https://www.mozilla.org/en-US/security/advisories/mfsa2017-17/#CVE-2017-7763