CVE-2019-8685 — Multiple memory corruption issues were addressed with improved memory handling

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HIGH

Multiple memory corruption issues were addressed with improved memory handling

Published Dec 18, 2019

8.8

HIGH

CVSS 3.1

EPSS 2.29%

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, watchOS 5.3, 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.

Affected products

Vendor Apple Product Safari Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <Safari 12.1.2
Vendor Apple Product iCloud for Windows Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <iCloud for Windows 7.13
Vendor Apple Product iCloud for Windows (Microsoft Store) Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <iCloud for Windows 10.6
Vendor Apple Product iOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <iOS 12.4
Vendor Apple Product iTunes for Windows Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <iTunes for Windows 12.9.6
Vendor Apple Product macOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <macOS Mojave 10.14.6
Vendor Apple Product tvOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <tvOS 12.4
Vendor Apple Product watchOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <watchOS 5.3

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Apple

Safari

n/a

Version	Status	Constraints
unspecified	affected	<Safari 12.1.2

Apple

iCloud for Windows

n/a

Version	Status	Constraints
unspecified	affected	<iCloud for Windows 7.13

Apple

iCloud for Windows (Microsoft Store)

n/a

Version	Status	Constraints
unspecified	affected	<iCloud for Windows 10.6

Apple

iOS

n/a

Version	Status	Constraints
unspecified	affected	<iOS 12.4

Apple

iTunes for Windows

n/a

Version	Status	Constraints
unspecified	affected	<iTunes for Windows 12.9.6

Apple

macOS

n/a

Version	Status	Constraints
unspecified	affected	<macOS Mojave 10.14.6

Apple

tvOS

n/a

Version	Status	Constraints
unspecified	affected	<tvOS 12.4

Apple

watchOS

n/a

Version	Status	Constraints
unspecified	affected	<watchOS 5.3

Remediation

No remediation recorded yet.

Metrics

2.29% 0.02292

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.02292

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3
EPSS v4

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3
EPSS v4

Table of values (15 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	2.29% (0.02292)	82.63th	v5 (v2026.06.15)
Jun 15, 2026	2.29% (0.02292)	80.92th	v5 (v2026.06.15)
Mar 17, 2025	0.97% (0.00974)	75.12th	v4 (v2025.03.14)
Dec 12, 2024	1.51% (0.01512)	87.51th	v3 (v2023.03.01)
Nov 24, 2023	1.49% (0.01488)	85.38th	v3 (v2023.03.01)
Oct 22, 2023	1.31% (0.01305)	84.39th	v3 (v2023.03.01)
Oct 7, 2023	1.05% (0.01049)	82.33th	v3 (v2023.03.01)
Mar 7, 2023	1.00% (0.01002)	81.30th	v3 (v2023.03.01)
Mar 6, 2023	2.17% (0.02166)	80.08th	v2 (v2022.01.01)
Apr 1, 2022	2.17% (0.02166)	78.17th	v2 (v2022.01.01)
Feb 4, 2022	19.92% (0.19916)	93.93th	v2 (v2022.01.01)
Feb 3, 2022	1.87% (0.01869)	48.08th	v5 (v2026.06.15)
Jan 6, 2022	1.87% (0.01869)	47.57th	v1
Sep 1, 2021	0.42% (0.00423)	25.55th	v1
Apr 14, 2021	0.42% (0.00423)	0.00th	v1

Weaknesses (1)

CWE-787

Out-of-bounds Write

References (8)

https://support.apple.com/HT210346
x_refsource_MISCVendor Advisory
https://support.apple.com/HT210348
x_refsource_MISCVendor Advisory
https://support.apple.com/HT210351
x_refsource_MISCVendor Advisory
https://support.apple.com/HT210353
x_refsource_MISCVendor Advisory
https://support.apple.com/HT210355
x_refsource_MISCVendor Advisory
https://support.apple.com/HT210356
x_refsource_MISCVendor Advisory
https://support.apple.com/HT210357
x_refsource_MISCVendor Advisory
https://support.apple.com/HT210358
x_refsource_MISCVendor Advisory

Link	Providers	Tags
https://support.apple.com/HT210346		x_refsource_MISCVendor Advisory
https://support.apple.com/HT210348		x_refsource_MISCVendor Advisory
https://support.apple.com/HT210351		x_refsource_MISCVendor Advisory
https://support.apple.com/HT210353		x_refsource_MISCVendor Advisory
https://support.apple.com/HT210355		x_refsource_MISCVendor Advisory
https://support.apple.com/HT210356		x_refsource_MISCVendor Advisory
https://support.apple.com/HT210357		x_refsource_MISCVendor Advisory
https://support.apple.com/HT210358		x_refsource_MISCVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner apple

Published Dec 18, 2019

Updated Aug 4, 2024

Reserved Feb 18, 2019

Link CVE-2019-8685

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2019-8685

Red Hat

Severity n/a

Public date n/a

Links CVE-2019-8685