Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 9.8 | Critical | 3.0 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS 0.086, the 95th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
- GitHub Advisory Database: GHSA-fr52-4hqw-p27f
- OSV: GHSA-fr52-4hqw-p27f
- nvd.nist.gov/vuln/detail/CVE-2016-4658
- git.gnome.org/browse/libxml2/commit/?id=c1d1f7121194036608bf555f08d3062a36fd344b
- security.gentoo.org/glsa/201701-37
- support.apple.com/HT207141
- support.apple.com/HT207142
- support.apple.com/HT207143
- support.apple.com/HT207170
- lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
- lists.apple.com/archives/security-announce/2016/Sep/msg00008.html
- lists.apple.com/archives/security-announce/2016/Sep/msg00010.html
- lists.apple.com/archives/security-announce/2016/Sep/msg00011.html