Vulnerabilities

CVE-2019-8646

Apple iphone_os: Out-of-bounds Read

Act now
CVSS 7.5 High
VulnCheck KEV

What it is

Reported

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. A remote attacker may be able to leak memory.

Source reported · Source: NVD · Complete source description.

Dates

Source last published: 2019-12-18 23:15 UTC · Source last updated: 2026-10-25 19:06 UTC

What is affected

Reported

Apple; iphone_os. Product-level identification only; no affected-version conclusion is available from this field.

Source reported · Source: NVD

Dates

Source last published: 2019-12-18 23:15 UTC · Source last updated: 2026-10-25 19:06 UTC

Urgency and basis

Tracker computed

Act now

Current priority score and EPSS: loading from the tracker record. They are read when this page loads and are not shown without JavaScript. They change daily and are not part of "Source last updated".

Tracker decision tier from the evidence detailed below

Dates

Source last updated: 2026-10-25 19:06 UTC

Exploitation evidence

Reported

listed by a tracked exploitation catalog · VulnCheck KEV

Source reported

Dates

VulnCheck KEV added: 2022-05-18 · Source last updated: 2026-10-25 19:06 UTC

What to do

Reported

Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Source remediation ↗

Source reported · Tracked source remediation field

Dates

Source last updated: 2026-10-25 19:06 UTC

Detection and validation

Mapped metadata availability only. These signals do not change priority.

Sigma, Atomic, Nuclei, and Metasploit: none mapped by tracked sources.

Sigma
Not mapped by tracked sources.
Atomic
Not mapped by tracked sources.
Nuclei
Not mapped by tracked sources.
Metasploit
Not mapped by tracked sources.

Evidence detail

Loading the full tracker evidence record…