CVE-2019-8516
Processing a maliciously crafted string may lead to a denial of service.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.84%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A validation issue was addressed with improved logic. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. Processing a maliciously crafted string may lead to a denial of service.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.84% probability · 79th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- apple/iphone os · apple/mac os x · apple/tvos · apple/watchos
- Source
- product-security@apple.com
EPSS 1.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://support.apple.com/HT209599Vendor Advisory
- https://support.apple.com/HT209600Vendor Advisory
- https://support.apple.com/HT209601Vendor Advisory
- https://support.apple.com/HT209602Vendor Advisory
- https://support.apple.com/HT209599Vendor Advisory
- https://support.apple.com/HT209600Vendor Advisory
- https://support.apple.com/HT209601Vendor Advisory
- https://support.apple.com/HT209602Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.