9.8crit

CVE-2016-5254

Use-after-free vulnerability in the nsXULPopupManager::KeyDown function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 all…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.0%
percentile 87%
Public exploits
0
none known

Summary

Use-after-free vulnerability in the nsXULPopupManager::KeyDown function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) by leveraging keyboard access to use the Alt key during selection of top-level menu items.

Exploit prediction (EPSS)

2.95% probability of exploitation in the next 30 days, higher than 87% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

  • debian.org /security/2016/dsa-3640 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • securitytracker.com /id/1036508 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • bugzilla.mozilla.org /show_bug.cgi?id=1266963 · x_refsource_CONFIRM, x_transferred
  • oracle.com /technetwork/topics/security/linuxbulletinjul2016-3090544.html · x_refsource_CONFIRM, x_transferred
  • mozilla.org /security/announce/2016/mfsa2016-70.html · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-3044-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1551.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • security.gentoo.org /glsa/201701-15 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00004.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • securityfocus.com /bid/92261 · vdb-entry, x_refsource_BID, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00029.html · vendor-advisory, x_refsource_SUSE, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.