CVE-2016-1834
Heap-based buffer overflow in the xmlStrncat function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to execute arbitrary code or cause a denial of…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.62%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Heap-based buffer overflow in the xmlStrncat function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted XML document.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 4.62% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-122
- Affected
- canonical/ubuntu linux · apple/iphone os · apple/mac os x · apple/tvos · apple/watchos · debian/debian linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux server tus · redhat/enterprise linux workstation · xmlsoft/libxml2 · mcafee/web gateway
- Source
- product-security@apple.com
References
- http://lists.apple.com/archives/security-announce/2016/May/msg00001.htmlMailing List, Vendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00002.htmlMailing List, Vendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00003.htmlMailing List, Vendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00004.htmlMailing List, Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2957.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlThird Party Advisory
- http://www.securityfocus.com/bid/90691Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1035890Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2994-1Third Party Advisory
- http://xmlsoft.org/news.htmlRelease Notes, Vendor Advisory
- https://access.redhat.com/errata/RHSA-2016:1292Third Party Advisory
- https://bugzilla.gnome.org/show_bug.cgi?id=763071Exploit, Issue Tracking, Third Party Advisory
- https://git.gnome.org/browse/libxml2/commit/?id=8fbbf5513d609c1770b391b99e33314cd0742704Patch, Third Party Advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10170Patch, Third Party Advisory
- https://support.apple.com/HT206564Vendor Advisory
- https://support.apple.com/HT206566Vendor Advisory
- https://support.apple.com/HT206567Vendor Advisory
- https://support.apple.com/HT206568Vendor Advisory
- https://www.debian.org/security/2016/dsa-3593Third Party Advisory
- https://www.tenable.com/security/tns-2016-18Third Party Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00001.htmlMailing List, Vendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00002.htmlMailing List, Vendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00003.htmlMailing List, Vendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00004.htmlMailing List, Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2957.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlThird Party Advisory
- http://www.securityfocus.com/bid/90691Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1035890Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.