Buffer overflow in Apple Iphone_os
CVE-2016-4447
The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName.
Vulnerability class: Buffer Overflow
EPSS: 0.027 (86.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Apple Iphone_os
- Apple Itunes — versions 12.4.1
- Apple Mac_os_x
- Apple Tvos
- Apple Watchos
- Hp Icewall_federation_agent — versions 3.0
- Mcafee Web_gateway
- Microsoft Windows
- Oracle Vm_server — versions 3.3, 3.4
- Xmlsoft Libxml2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- SSA:2016-148-01 (vendor-advisory, Exploit, Mailing List, Third Party Advisory, x_refsource_SLACKWARE)
- 90864 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_BID)
- RHSA-2016:1292 (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- [oss-security] 20160525 3 libxml2 issues (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
- DSA-3593 (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- APPLE-SA-2016-07-18-4 (vendor-advisory, x_refsource_APPLE, Mailing List, Not Applicable)
- APPLE-SA-2016-07-18-3 (vendor-advisory, x_refsource_APPLE, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-4447?
- CVE-2016-4447 is a high-severity vulnerability in Apple Iphone_os, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2016-06-09.
- How severe is CVE-2016-4447?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-4447 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.