CVE-2019-8827The HTTP referrer header may be used to leak browsing history. The issue was resolved by downgrading all third party referrers to their…
- 4.3MediumCVSS base score
- 1.1%Exploitation in 30 daysEPSS · top 35% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By apple
- 21 months later
· 21 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.1% · top 35% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
- affected unspecified – < 13.2
- affected unspecified – < 13.2
- affected unspecified – < 13.0
- affected unspecified – < 12.10
- affected unspecified – < 7.15
- affected unspecified – < 10.9
References
References6
- https://support.apple.com/en-us/HT210721 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/en-us/HT210723 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/en-us/HT210725 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/en-us/HT210726 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/en-us/HT210728 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/en-us/HT210947 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2019-18217 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2019-8827)Record last updated .