Buffer overflow in Apple Iphone OS
CVE-2016-1762
The xmlNextChar function in libxml2 before 2.9.4 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted XML document.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.065 (93.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.065 · newest: 0.065 · change: 0.000
Affected products
- Apple Iphone OS
- Apple Mac OS X
- Apple Safari
- Apple tvOS
- Apple watchOS
- Mcafee Web Gateway
- Xmlsoft Libxml2
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
- Debian Linux — versions 8.0
- Red Hat Enterprise Linux Desktop — versions 6.0, 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html (Third Party Advisory)
- kc.mcafee.com/corporate/index (Patch, Third Party Advisory)
- lists.apple.com/archives/security-announce/2016/Mar/msg00004.html (vendor-advisory, Mailing List, Vendor Advisory)
- support.apple.com/HT206167 (Vendor Advisory)
- support.apple.com/HT206168 (Vendor Advisory)
- access.redhat.com/errata/RHSA-2016:1292 (vendor-advisory, Third Party Advisory)
- lists.apple.com/archives/security-announce/2016/Mar/msg00005.html (vendor-advisory, Mailing List, Vendor Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html (Third Party Advisory)
- www.debian.org/security/2016/dsa-3593 (vendor-advisory, Third Party Advisory)
- www.securitytracker.com/id/1035353 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2016-1762?
- CVE-2016-1762 is a high-severity vulnerability in Apple Iphone OS, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.1/10. Published 2016-03-24.
- How severe is CVE-2016-1762?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2016-1762 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.