CVE-2019-8671
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6,…
- 8.8HighCVSS base score
- 8.5%Exploitation in 30 daysEPSS · top 4.9% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, iCloud for Windows 10.6. Processing maliciously crafted web content may lead to arbitrary code execution.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- macOS / iOS JavaScriptCore - Loop-Invariant Code Motion (LICM) Leaves Object Property Access Unguarded (Exploit-DB entry) (opens in a new tab)
EDB-ID 47190dos, multiplepublished 30 Jul 2019Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
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 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 8.5% · top 4.9% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
- affected unspecified – < iOS 12.4
- affected unspecified – < macOS Mojave 10.14.6
- affected unspecified – < tvOS 12.4
- affected unspecified – < Safari 12.1.2
- affected unspecified – < iTunes for Windows 12.9.6
- affected unspecified – < iCloud for Windows 7.13
Apple · iCloud for Windows (Microsoft Store)
- affected unspecified – < iCloud for Windows 10.6
References
7
- https://support.apple.com/HT210346 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT210348 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT210351 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT210355 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT210356 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT210357 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT210358 (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-2019-18061 (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-2019-8671)Record last updated .