vulnwire
8.8high

CVE-2016-5261

Integer overflow in the WebSocketChannel class in the WebSockets subsystem in Mozilla Firefox before 48.0 and Firefox ESR < 45.4 allows rem…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
8.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
4.2%
percentile 91%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

4.18% probability of exploitation in the next 30 days, higher than 91% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.08.8CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound

References

  • securitytracker.com /id/1036508 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • oracle.com /technetwork/topics/security/linuxbulletinoct2016-3090545.html · x_refsource_CONFIRM, x_transferred
  • mozilla.org /security/advisories/mfsa2016-86/ · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-3044-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • debian.org /security/2016/dsa-3674 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • bugzilla.mozilla.org /show_bug.cgi?id=1287266 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/92260 · vdb-entry, x_refsource_BID, x_transferred
  • security.gentoo.org /glsa/201701-15 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1912.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • mozilla.org /security/announce/2016/mfsa2016-75.html · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00004.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00029.html · vendor-advisory, x_refsource_SUSE, x_transferred

Sources

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