CVE-2017-5402
A use-after-free can occur when events are fired for a "FontFace" object after the object has been already been destroyed while working with
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 52, 45.8
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
A use-after-free can occur when events are fired for a "FontFace" object after the object has been already been destroyed while working with fonts. This results in a potentially exploitable crash. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.
Timeline
- CVE published
- Record last updated
Affected versions
- Mozilla Firefox
fixed in 52
- Mozilla Firefox ESR
fixed in 45.8
- Mozilla Thunderbird
fixed in 52; fixed in 45.8