CVE-2021-30796
MEDIUM
6.5
CVSS Score
Published: September 8, 2021 at 01:39 PM UTC
Updated: June 17, 2026 at 03:50 AM UTC
2 products affected across 1 vendormacOSiPhone OS
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Severity
MEDIUM6.5
Exploit prediction
EPSS 2%
Description
A logic issue was addressed with improved validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. Processing a maliciously crafted image may lead to a denial of service.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 14.7
Affected range stops below 14.7, so it looks safe — our inference, not a vendor statement
v < 11.5v < 202111.0 ≤ v < 11.510.1410.14.010.14.110.14.210.14.310.14.410.14.4 beta410.14.510.14.610.14.6 security_update_2019-110.14.6 security_update_2019-210.14.6 security_update_2019-410.14.6 security_update_2019-510.14.6 security_update_2019-610.14.6 security_update_2019-710.14.6 security_update_2020-110.14.6 security_update_2020-210.14.6 security_update_2020-310.14.6 security_update_2020-410.14.6 security_update_2020-510.14.6 security_update_2020-610.14.6 security_update_2020-710.14.6 security_update_2021-110.14.6 security_update_2021-210.14.6 security_update_2021-310.14.6 security_update_2021-410.1510.15.110.15.210.15.310.15.410.15.510.15.610.15.6 supplemental_update10.15.710.15.7 security_update_202010.15.7 security_update_2020-110.15.7 security_update_2020-510.15.7 security_update_2020-710.15.7 security_update_2021-110.15.7 security_update_2021-210.15.7 security_update_2021-3
Affected range stops below 11.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 2021, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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