CVE-2016-1839 is a heap-based buffer over-read vulnerability in the xmlDictAddString function of libxml2, affecting various Apple operating systems (iOS, OS X, tvOS, watchOS) and other products utilizing libxml2. A remote attacker can exploit this by enticing a user to open a specially crafted XML document, leading to a denial of service. Rated Medium severity (CVSS 5.5), it requires user interaction and local access for exploitation, with the primary impact being system availability. While not actively exploited in the wild (no KEV entry), a public exploit (EDB-39491) exists, though there is minimal community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 9.3.2CPE matchmatch criteria | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | ||
< 10.11.5CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | ||
< 9.2.1CPE matchmatch criteria | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | ||
< 2.2.1CPE matchmatch criteria | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | ||
12.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.