Fiche vulnérabilité
CVE-2021-30858 : faille exploitée apple ipados (CVSS 8.8)
Description
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
En bref
- Sévérité
- Élevée (CVSS 8.8)
- Vecteur CVSS
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Exploitation active
- Oui, inscrite au catalogue CISA KEV
- Publication
- 24 août 2021
- Dernière mise à jour
- 17 juin 2026
Produits concernés
- apple ipados
- apple iphone os
- apple macos
- fedoraproject fedora
- debian debian linux
Correctif et mesures
Apply updates per vendor instructions.
Références
- Fiche CVE-2021-30858 sur le NVD (NIST)
- seclists.org/fulldisclosure/2021/Sep/25
- seclists.org/fulldisclosure/2021/Sep/27
- seclists.org/fulldisclosure/2021/Sep/29
- seclists.org/fulldisclosure/2021/Sep/38
- seclists.org/fulldisclosure/2021/Sep/39
- seclists.org/fulldisclosure/2021/Sep/50
- openwall.com/lists/oss-security/2021/09/20/1
- openwall.com/lists/oss-security/2021/10/26/9
- openwall.com/lists/oss-security/2021/10/27/1
- openwall.com/lists/oss-security/2021/10/27/2
- openwall.com/lists/oss-security/2021/10/27/4
- lists.fedoraproject.org/archives/list/package…
- lists.fedoraproject.org/archives/list/package…
- support.apple.com/en-us/HT212804
- support.apple.com/en-us/HT212807