Skip to content
CVE Tracker
  • Newest CVEsPage
  • Recently added to KEVPage
  • Rising exploitation (EPSS)Page
  • Weekly digestPage
  • StatisticsPage
  • WatchlistPage
  • API documentationPage
  • MCP serverPage
  • Data sourcesPage
  • ChangelogPage
  • AboutPage
  • How it's builtPage
Back

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,…

High8.8EPSS 1.9%
Published
Updated
Reserved
Assigned by
apple

Description

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.

Scores

CVSS scores of CVE-2019-8657, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.1High8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
1.9% · top 20% of all CVEs (5 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

Affected products

  • Apple · iOS

    • affected unspecified – < iOS 12.4
  • Apple · macOS

    • affected unspecified – < macOS Mojave 10.14.6
  • Apple · tvOS

    • affected unspecified – < tvOS 12.4
  • Apple · watchOS

    • affected unspecified – < watchOS 5.3

References (4)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2019-8657 badge
[![CVE-2019-8657](https://trackcve.app/badge/CVE-2019-8657.svg)](https://trackcve.app/cve/CVE-2019-8657)

Record last updated .