CVE-2026-118021EUVD-2026-110919GHSA-3HC8-89QM-6758
Sandbox escape due to use-after-free in the XPCOM component
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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
- 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
Sandbox escape due to use-after-free in the XPCOM component. This vulnerability was fixed in Firefox 159 and Thunderbird 159.
Timeline
- CVE published
- First seen by cve.now
- Record last updated
Affected versions
- Mozilla Firefox
Version range not reported
- Mozilla Thunderbird
Version range not reported