vulnwire
8.8high

CVE-2016-5259

Use-after-free vulnerability in the CanonicalizeXPCOMParticipant function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 a…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
8.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.3%
percentile 88%
Public exploits
0
none known

Use-after-free vulnerability in the CanonicalizeXPCOMParticipant function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code via a script that closes its own Service Worker within a nested sync event loop.

Exploit prediction (EPSS)

3.26% probability of exploitation in the next 30 days, higher than 88% 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
NVD2.06.8AV:N/AC:M/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
  • oracle.com /technetwork/topics/security/linuxbulletinjul2016-3090544.html · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-3044-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • securityfocus.com /bid/92258 · vdb-entry, x_refsource_BID, 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
  • bugzilla.mozilla.org /show_bug.cgi?id=1282992 · 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
  • mozilla.org /security/announce/2016/mfsa2016-73.html · 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.