CVE-2018-4344

Apple Multiple Products: Memory Corruption

As of , CVE-2018-4344 in Apple Multiple Products is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.

Exploited
Yes: CISA listed it on 27 June 2022
US federal deadline
18 July 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.02Higher than 83% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.01 on 27 June 2022EPSS on the day CISA listed it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
No vendor link in CISA's entry

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

Apple iOS, macOS, tvOS, and watchOS contain a memory corruption vulnerability which can allow for code execution.

CISA's description

A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.

The CVE record's description, from apple

CVE published
3 April 2019
Assigned by
apple
CVSS
7.8 High (CVSS 3.1, from CISA-ADP)
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Multiple Products: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2026-86950Out-of-Bounds WriteApple Multiple ProductsPatch nowForensic triage required by CISA; listed in the last 14 days0.01
CVE-2021-30860Integer OverflowApple Multiple ProductsPatch this weekEPSS 0.760.76
CVE-2023-32434Integer OverflowApple Multiple ProductsPatch this weekEPSS 0.520.52
CVE-2019-8605Use-After-FreeApple Multiple ProductsPatch soonVerified Exploit-DB entry0.18
CVE-2020-3837Memory CorruptionApple Multiple ProductsPatch soonVerified Exploit-DB entry0.15
CVE-2019-8506Type ConfusionApple Multiple ProductsPatch soonVerified Exploit-DB entry0.16
CVE-2023-28205WebKit Use-After-FreeApple Multiple ProductsPatch soon0.27
CVE-2021-30807Memory CorruptionApple Multiple ProductsPatch soon0.29
CVE-2025-31200Memory CorruptionApple Multiple ProductsPatch soon0.19
CVE-2025-24085Use-After-FreeApple Multiple ProductsPatch soon0.18

All 54 entries for Multiple Products

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