CVE-2016-1840
Heap-based buffer overflow in the xmlFAParsePosCharGroup 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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.24%). 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 xmlFAParsePosCharGroup 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 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 3.24% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- debian/debian linux · apple/iphone os · apple/mac os x · apple/tvos · apple/watchos · canonical/ubuntu 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/bulletinjul2016-3090568.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=757711Exploit, Issue Tracking, Third Party Advisory
- https://git.gnome.org/browse/libxml2/commit/?id=cbb271655cadeb8dbb258a64701d9a3a0c4835b4Patch, Third Party Advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10170Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201701-37Third 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/bulletinjul2016-3090568.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.