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 service (memory corruption) via a crafted XML document.

CVSS v3.1

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v3.0

7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0

9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS

4.62% chance of exploitation in the next 30 days, 91th percentile

Published

2016-05-20

Updated

2025-12-04

Proof-of-concept exploits (1)

• https://bugzilla.gnome.org/show_bug.cgi?id=763071

References

• CVE Record
• NVD entry

Related

• CVE-2016-1828
• CVE-2016-1838
• CVE-2016-1827
• CVE-2016-1839
• CVE-2016-1825
• CVE-2016-1840