CVE-2019-8827 json
The HTTP referrer header may be used to leak browsing history.
published 2020-10-27 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-18217
- cvss
- 4.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
The HTTP referrer header may be used to leak browsing history. The issue was resolved by downgrading all third party referrers to their origin. This issue is fixed in Safari 13.0.3, iTunes 12.10.2 for Windows, iCloud for Windows 10.9.2, tvOS 13.2, iOS 13.2 and iPadOS 13.2, iCloud for Windows 7.15. Visiting a maliciously crafted website may reveal the sites a user has visited.
Patch / fix
- Apple iOS and iPadOS 13.2
- Apple tvOS 13.2
- Apple Safari 13.0
- Apple iTunes for Windows 12.10
- Apple iCloud for Windows 7.15, 10.9
Exploit prediction
1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Affected products
- Apple iOS and iPadOS
- Apple tvOS
- Apple Safari
- Apple iTunes for Windows
- Apple iCloud for Windows
References
-
support.apple.com
/en-us/HT210721
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT210723
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT210725
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT210726
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT210728
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT210947
release-notes, vendor-advisory
Sources
- CVE List CVE-2019-8827
- NVD CVE-2019-8827
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.