Out-of-bounds Read in Apple iOS

CVE-2019-8657

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3. Parsing a maliciously crafted office document may lead to an unexpected application termination or arbitrary code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.019 (77.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-8657?
CVE-2019-8657 is a high-severity vulnerability in Apple iOS, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2019-12-18.
How severe is CVE-2019-8657?
High severity. CVSS v3 base score is 8.8 out of 10.