CVE-2020-9859(apple / ipados)

LOWCVSS 7.8 · HIGHCISA KEV

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5.1 and iPadOS 13.5.1, macOS Catalina 10.15.5 Supplemental Update, tvOS 13.4.6, watchOS 6.2.6. An application may be able to execute arbitrary code with kernel privileges.

0.5/ 10 priority

Sources & remediation

Listed in the CISA Known Exploited Vulnerabilities catalog. Federal remediation due date: 2022-05-03. Apply updates per vendor instructions.

Weakness type (CWE)
CWE-415

Priority

LOW

Exploitation

ACTIVE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • ipados
  • iphone_os
  • mac_os_x
  • tvos

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • 1 total mentions across 1 day

Affected systems

Vendors
Products
ipadosiphone_osmac_os_xtvoswatchos

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-09-20: 109-20
Full discourse1 post
  • Alfie@alfiecg_dev

    @WHW_0x455 street_race: CVE-2020-9859 (AKA tachy0n or lightspeed) busy_schedule: CVE-2020-27905 & CVE-2020-9964 (AKA oob_events) dangling_join: CVE-2021-30937 (AKA multicast_bytecopy) madvm: CVE-2023-41974 (AKA kfd landa)

    1101331.2K
    8.7K followersView on X
CPE platform detail5 entries

5 of 5 entries

PartVendorProductVersionTarget SWTarget HW
OSappleipados---
OSappleiphone_os---
OSapplemac_os_x---
OSappletvos---
OSapplewatchos---

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