vulnwire
7.5high

CVE-2016-2821

Use-after-free vulnerability in the mozilla::dom::Element class in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2, when conte…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.8%
percentile 86%
Public exploits
0
none known

Use-after-free vulnerability in the mozilla::dom::Element class in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2, when contenteditable mode is enabled, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) by triggering deletion of DOM elements that were created in the editor.

Exploit prediction (EPSS)

2.77% probability of exploitation in the next 30 days, higher than 86% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD2.06.8AV:N/AC:M/Au:N/C:P/I:P/A:P

References

  • securitytracker.com /id/1036057 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • mozilla.org /security/announce/2016/mfsa2016-51.html · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2016:1217 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-06/msg00016.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • oracle.com /technetwork/topics/security/linuxbulletinapr2016-2952096.html · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-06/msg00014.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • ubuntu.com /usn/USN-2993-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-06/msg00055.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • securityfocus.com /bid/91075 · vdb-entry, x_refsource_BID, x_transferred
  • debian.org /security/2016/dsa-3600 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • bugzilla.mozilla.org /show_bug.cgi?id=1271460 · x_refsource_CONFIRM, 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.