CVE-2016-9063Critical· 9.8▾ MidnightAn integer overflow during the parsing of XML using the Expat library. This vulnerability affects Firefox < 50.
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 53.9 · likelihood 1.1 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Oct 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
5.5%
An integer overflow during the parsing of XML using the Expat library. This vulnerability affects Firefox < 50.
firefox < 50debian_linux = 8.0debian_linux = 9.0debian_linux = 10.0python >= 2.7.0, < 2.7.15python >= 3.3.0, < 3.3.7python >= 3.4.0, < 3.4.7python >= 3.5.0, < 3.5.4python >= 3.6.0, < 3.6.2Upgrade past the affected range:
firefox 50python 3.6.2Connected by shared product, vendor, weakness, or advisory.
CVE-2026-118008High· 8.8Privilege escalation in the DOM: Navigation component
CVE-2026-117999NoneRace condition in the IPC component
CVE-2026-117976NoneSite isolation issue in the DOM: Navigation component
CVE-2026-118027NoneFrame poisoning in the Layout component
CVE-2026-118024NoneUse-after-free in the Graphics: Text component
CVE-2026-118026NoneInvalid pointer in the JavaScript: GC component