Buffer overflow in Apple Iphone OS
CVE-2016-1835
Use-after-free vulnerability in the xmlSAX2AttributeNs function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2 and OS X before 10.11.5, allows remote attackers to cause a denial of service via a crafted XML document.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.056 (92.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.056 · newest: 0.056 · change: 0.000
Affected products
- Apple Iphone OS
- Apple Mac OS X
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
- Debian Linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- kc.mcafee.com/corporate/index
- access.redhat.com/errata/RHSA-2016:1292 (vendor-advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- support.apple.com/HT206567 (Vendor Advisory)
- www.debian.org/security/2016/dsa-3593 (vendor-advisory)
- xmlsoft.org/news.html
- lists.apple.com/archives/security-announce/2016/May/msg00004.html (vendor-advisory, Vendor Advisory)
- git.gnome.org/browse/libxml2/commit/
- www.securityfocus.com/bid/90696 (vdb-entry)
Frequently asked questions
- What is CVE-2016-1835?
- CVE-2016-1835 is a high-severity vulnerability in Apple Iphone OS, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2016-05-20.
- How severe is CVE-2016-1835?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2016-1835 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.