Buffer overflow in Apple Iphone_os
CVE-2016-4658
xpointer.c in libxml2 before 2.9.5 (as used in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3, and other products) does not forbid namespace nodes in XPointer ranges, which allows remote attackers to execute a…
Vulnerability class: Buffer Overflow
EPSS: 0.154 (94.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apple Iphone_os
- Apple Mac_os_x
- Apple Tvos
- Apple Watchos
- Xmlsoft Libxml2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
- 1036858 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_SECTRACK)
- APPLE-SA-2016-09-20 (vendor-advisory, x_refsource_APPLE, Mailing List, Vendor Advisory)
- APPLE-SA-2016-09-20-3 (vendor-advisory, x_refsource_APPLE, Mailing List, Vendor Advisory)
- APPLE-SA-2016-09-20-5 (vendor-advisory, x_refsource_APPLE, Mailing List, Vendor Advisory)
- APPLE-SA-2016-09-20-6 (vendor-advisory, x_refsource_APPLE, Mailing List, Vendor Advisory)
- 93054 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_BID)
- product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
- GLSA-201701-37 (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2016-4658?
- CVE-2016-4658 is a critical-severity vulnerability in Apple Iphone_os, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-09-25.
- How severe is CVE-2016-4658?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-4658 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.