CVE-2016-1836
Published: 20 May 2016
Use-after-free vulnerability in the xmlDictComputeFastKey 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 cause a denial of service via a crafted XML document.
Notes
Author | Note |
---|---|
tyhicks | 2.9.2 first introduced the flaw but it was backported to Trusty via 0006-Fix-a-parsing-bug-on-non-ascii-element-and-CR-LF-usa.patch |
Priority
Status
Package | Release | Status |
---|---|---|
libxml2 Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
(2.7.8.dfsg-5.1ubuntu4.14)
|
trusty |
Released
(2.9.1+dfsg1-3ubuntu4.8)
|
|
upstream |
Released
(2.9.4)
|
|
wily |
Released
(2.9.2+zdfsg1-4ubuntu0.4)
|
|
xenial |
Released
(2.9.3+dfsg1-1ubuntu0.1)
|
|
yakkety |
Not vulnerable
(2.9.3+dfsg1-1.2)
|
|
zesty |
Not vulnerable
(2.9.3+dfsg1-1.2)
|
|
Patches: upstream: https://git.gnome.org/browse/libxml2/commit/?id=45752d2c334b50016666d8f0ec3691e2d680f0a0 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1836
- https://support.apple.com/HT206564
- https://support.apple.com/HT206566
- https://support.apple.com/HT206567
- https://support.apple.com/HT206568
- http://lists.apple.com/archives/security-announce/2016/May/msg00001.html
- http://lists.apple.com/archives/security-announce/2016/May/msg00002.html
- http://lists.apple.com/archives/security-announce/2016/May/msg00003.html
- http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
- https://ubuntu.com/security/notices/USN-2994-1
- NVD
- Launchpad
- Debian