CVE-2016-5261 — Integer Overflow or Wraparound in Firefox
Severity
8.8HIGHNVD
OSV9.8
EPSS
0.9%
top 24.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 5
Latest updateMay 14
Description
Integer overflow in the WebSocketChannel class in the WebSockets subsystem in Mozilla Firefox before 48.0 and Firefox ESR < 45.4 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted packets that trigger incorrect buffer-resize operations during buffering.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9