AEGLIX vulnerability intelligence
CVE-2021-30952
HIGH · CVSS 7.8 · Analyzed
Published: 2021-08-24 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.
Severity and scoring
- CVSS score
- 7.8 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-190
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Apple · Multiple Products
- Added to catalog
- 2026-03-05
- Required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- CISA remediation due date
- 2026-03-26
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
Before (exclusive): 15.2
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Before (exclusive): 15.2
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Before (exclusive): 15.2
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
From (inclusive): 12.0
Before (exclusive): 12.1
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
Before (exclusive): 15.2
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
Before (exclusive): 8.3
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:*
Before (exclusive): 2.34.4
cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:*
Before (exclusive): 2.34.4
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- http://www.openwall.com/lists/oss-security/2022/01/21/2
Mailing List · Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EQVZ3CEMTINLBZ7PBC7WRXVEVCRHNSM/
Broken Link
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQKWD4BXRDD2YGR5AVU7H5J5PIQIEU6V/
Broken Link
- https://support.apple.com/en-us/HT212975
Release Notes · Vendor Advisory
- https://support.apple.com/en-us/HT212976
Release Notes · Vendor Advisory
- https://support.apple.com/en-us/HT212978
Release Notes · Vendor Advisory
- https://support.apple.com/en-us/HT212980
Release Notes · Vendor Advisory
- https://support.apple.com/en-us/HT212982
Release Notes · Vendor Advisory
- https://www.debian.org/security/2022/dsa-5060
Mailing List · Third Party Advisory
- https://www.debian.org/security/2022/dsa-5061
Mailing List · Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/01/21/2
Mailing List · Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EQVZ3CEMTINLBZ7PBC7WRXVEVCRHNSM/
Broken Link
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQKWD4BXRDD2YGR5AVU7H5J5PIQIEU6V/
Broken Link
- https://support.apple.com/en-us/HT212975
Release Notes · Vendor Advisory
- https://support.apple.com/en-us/HT212976
Release Notes · Vendor Advisory
- https://support.apple.com/en-us/HT212978
Release Notes · Vendor Advisory
- https://support.apple.com/en-us/HT212980
Release Notes · Vendor Advisory
- https://support.apple.com/en-us/HT212982
Release Notes · Vendor Advisory
- https://www.debian.org/security/2022/dsa-5060
Mailing List · Third Party Advisory
- https://www.debian.org/security/2022/dsa-5061
Mailing List · Third Party Advisory
- https://cloud.google.com/blog/topics/threat-intelligence/coruna-powerful-ios-exploit-kit
Exploit · Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30952
US Government Resource