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Vulnerability record · CVE-2016-4609 · published 22 July 2016

CVE-2016-4609: Xmlsoft libxslt memory buffer overflow vulnerability

Xmlsoft · Libxslt

libxslt in Apple iOS before 9.3.3, OS X before 10.11.6, iTunes before 12.4.2 on Windows, iCloud before 5.2.1 on Windows, tvOS before 9.2.2, and watchOS before 2.2.2 allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors, a different vulnerability than CVE-2016-4607, CVE-2016-4608, CVE-2016-4610, and CVE-2016-4612.

9.8 CVSS 3.1 Critical EPSS 5.1% · top 7.9% CWE-119 · Memory buffer overflow
9.8CVSS 3.1 base score, v2 7.5
5.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
30References
17 Jun 2026Last modified by NVD

Description

libxslt in Apple iOS before 9.3.3, OS X before 10.11.6, iTunes before 12.4.2 on Windows, iCloud before 5.2.1 on Windows, tvOS before 9.2.2, and watchOS before 2.2.2 allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors, a different vulnerability than CVE-2016-4607, CVE-2016-4608, CVE-2016-4610, and CVE-2016-4612.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

9 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html Mailing ListVendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html Mailing ListVendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html Mailing ListVendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html Mailing ListVendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html Mailing ListVendor Advisory
http://www.securityfocus.com/bid/91826 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036348 Third Party AdvisoryVDB Entry
https://lists.debian.org/debian-lts-announce/2019/07/msg00020.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SK4YNISS22MJY22YX5I6V2U
https://support.apple.com/HT206899 Vendor Advisory
https://support.apple.com/HT206901 Vendor Advisory
https://support.apple.com/HT206902 Vendor Advisory
https://support.apple.com/HT206903 Vendor Advisory
https://support.apple.com/HT206904 Vendor Advisory
https://support.apple.com/HT206905 Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html Mailing ListVendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html Mailing ListVendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html Mailing ListVendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html Mailing ListVendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html Mailing ListVendor Advisory
http://www.securityfocus.com/bid/91826 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036348 Third Party AdvisoryVDB Entry
https://lists.debian.org/debian-lts-announce/2019/07/msg00020.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SK4YNISS22MJY22YX5I6V2U
https://support.apple.com/HT206899 Vendor Advisory
https://support.apple.com/HT206901 Vendor Advisory
https://support.apple.com/HT206902 Vendor Advisory
https://support.apple.com/HT206903 Vendor Advisory
https://support.apple.com/HT206904 Vendor Advisory
https://support.apple.com/HT206905 Vendor Advisory

Track CVE-2016-4609 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-4609), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.