7.8high

CVE-2016-1840

Heap-based buffer overflow in the xmlFAParsePosCharGroup function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 1…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.2%
percentile 88%
Public exploits
0
none known

Summary

Heap-based buffer overflow in the xmlFAParsePosCharGroup function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted XML document.

Exploit prediction (EPSS)

3.24% probability of exploitation in the next 30 days, higher than 88% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.8CVSS:3.0/AV:L/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
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • oracle.com /technetwork/topics/security/ovmbulletinjul2016-3090546.html · x_refsource_CONFIRM, x_transferred
  • kc.mcafee.com /corporate/index?page=content&id=SB10170 · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2016:1292 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • oracle.com /technetwork/topics/security/linuxbulletinjul2016-3090544.html · x_refsource_CONFIRM, x_transferred
  • support.apple.com /HT206567 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/90691 · vdb-entry, x_refsource_BID, x_transferred
  • debian.org /security/2016/dsa-3593 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • bugzilla.gnome.org /show_bug.cgi?id=757711 · x_refsource_CONFIRM, x_transferred
  • xmlsoft.org /news.html · x_refsource_CONFIRM, x_transferred
  • lists.apple.com /archives/security-announce/2016/May/msg00004.html · vendor-advisory, x_refsource_APPLE, x_transferred
  • ubuntu.com /usn/USN-2994-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • support.apple.com /HT206566 · x_refsource_CONFIRM, x_transferred
  • oracle.com /technetwork/topics/security/bulletinjul2016-3090568.html · x_refsource_CONFIRM, x_transferred
  • tenable.com /security/tns-2016-18 · x_refsource_CONFIRM, x_transferred
  • lists.apple.com /archives/security-announce/2016/May/msg00003.html · vendor-advisory, x_refsource_APPLE, x_transferred
  • support.apple.com /HT206564 · x_refsource_CONFIRM, x_transferred
  • git.gnome.org /browse/libxml2/commit/?id=cbb271655cadeb8dbb258a64701d9a3a0c4835b4 · x_refsource_CONFIRM, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2957.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • security.gentoo.org /glsa/201701-37 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • securitytracker.com /id/1035890 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • lists.apple.com /archives/security-announce/2016/May/msg00002.html · vendor-advisory, x_refsource_APPLE, x_transferred
  • support.apple.com /HT206568 · x_refsource_CONFIRM, x_transferred
  • lists.apple.com /archives/security-announce/2016/May/msg00001.html · vendor-advisory, x_refsource_APPLE, 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.