CVE-2021-1789General(apple / fedora)

LOWCVSS 8.8 · 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 type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution.

1.0/ 10 priority

Sources & remediation

Listed in the CISA Known Exploited Vulnerabilities catalog. Federal remediation due date: 2022-05-25. Apply updates per vendor instructions.

Weakness type (CWE)
CWE-843

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.

  • fedora
  • ipados
  • iphone_os
  • mac_os_x

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • General: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Products
fedoraipadosiphone_osmac_os_xmacostvoswatchoswebkitgtk

4 versions affected across 8 products

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-03-24: 103-24
Signal classification1 categories
General
1100.0%
Full discourse1 post
  • AK@AlekseiKaplin
    General

    @r0mko Никогда CVE-2023-36854 такого не было и вот CVE-2021-1789 опять. Json хороши когда ты их открываешь в vim. Иначе есть шанс выстрелить себе в хуй. Но кого волнуют такие детали.

    Post summary

    The post mentions two CVE identifiers but provides no proof of concept, exploit details, patch information, technical specifics, or claim of a false positive.

    20030335
    1.7K followersView on X
CPE platform detail25 entries

25 of 25 entries

PartVendorProductVersionTarget SWTarget HW
OSappleipados---
OSappleiphone_os---
OSapplemac_os_x---
OSapplemac_os_x10.14.6--
OSapplemac_os_x10.14.6--
OSapplemac_os_x10.14.6--
OSapplemac_os_x10.14.6--
OSapplemac_os_x10.14.6--
OSapplemac_os_x10.14.6--
OSapplemac_os_x10.14.6--
OSapplemac_os_x10.14.6--
OSapplemac_os_x10.14.6--
OSapplemac_os_x10.14.6--
OSapplemac_os_x10.14.6--
OSapplemac_os_x10.14.6--
OSapplemac_os_x10.14.6--
OSapplemac_os_x10.14.6--
OSapplemac_os_x10.15.7--
OSapplemac_os_x10.15.7--
OSapplemacos---
OSappletvos---
OSapplewatchos---
OSfedoraprojectfedora32--
OSfedoraprojectfedora33--
Appwebkitgtkwebkitgtk---

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