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CVE-2019-8542
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS…
- 7.8HighCVSS 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
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. A malicious application may be able to elevate privileges.
Timeline
ID reserved
By apple
- 10 months later
· 10 months later
Published
- 5 years later
· 5 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 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.1% · top 35% of all CVEs (11 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected unspecified – < iOS 12.2
- affected unspecified – < macOS Mojave 10.14.4
- affected unspecified – < tvOS 12.2
- affected unspecified – < watchOS 5.2
- affected unspecified – < iTunes 12.9.4 for Windows
- affected unspecified – < iCloud for Windows 7.11
References
References6
- https://support.apple.com/HT209599 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT209601 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT209604 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT209605 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT209600 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT209602 (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-2019-17932 (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-2019-8542)Record last updated .