CVE-2026-20652
Summary
| CVE | CVE-2026-20652 |
|---|---|
| State | PUBLISHED |
| Assigner | apple |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-02-11 23:16:08 UTC |
| Updated | 2026-07-15 02:18:23 UTC |
| Description | The issue was addressed with improved memory handling. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. A remote attacker may be able to cause a denial-of-service. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Problem Types: CWE-400 | CWE-120 | A remote attacker may be able to cause a denial-of-service | CWE-400 CWE-400 Uncontrolled Resource Consumption | CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | ADP | DECLARED | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | ADP | CVSS | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
CVSS v3.1 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD Known Affected Configurations (CPE 2.3)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Apple | Safari | affected 26.3 custom | Not specified |
| CNA | Apple | IOS And IPadOS | affected 18.7.5 custom | Not specified |
| CNA | Apple | IOS And IPadOS | affected 26.3 custom | Not specified |
| CNA | Apple | MacOS | affected 26.3 custom | Not specified |
| CNA | Apple | VisionOS | affected 26.3 custom | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | unaffected 0:2.52.3-1.el7_9 * rpm | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 8 | unaffected 0:2.52.3-1.el8_10 * rpm | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | unaffected 0:2.52.3-1.el8_4 * rpm | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | unaffected 0:2.52.3-1.el8_4 * rpm | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | unaffected 0:2.52.3-1.el8_6 * rpm | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | unaffected 0:2.52.3-1.el8_6 * rpm | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 8.6 Update Services For SAP Solutions | unaffected 0:2.52.3-1.el8_6 * rpm | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | unaffected 0:2.52.3-1.el8_8 * rpm | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 8.8 Update Services For SAP Solutions | unaffected 0:2.52.3-1.el8_8 * rpm | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 9 | unaffected 0:2.52.3-0.el9_7.1 * rpm | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 9 | unaffected 0:2.52.3-1.el9_8 * rpm | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 9.0 Update Services For SAP Solutions | unaffected 0:2.52.3-1.el9_0 * rpm | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 9.2 Update Services For SAP Solutions | unaffected 0:2.52.3-1.el9_2 * rpm | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | unaffected 0:2.52.3-1.el9_4 * rpm | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | unaffected 0:2.52.3-1.el9_6 * rpm | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 6 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 7 | Not specified | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| support.apple.com/en-us/126354 | [email protected] | support.apple.com | Release Notes, Vendor Advisory |
| access.redhat.com/errata/RHSA-2026:16695 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:11329 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| support.apple.com/en-us/126346 | [email protected] | support.apple.com | Release Notes, Vendor Advisory |
| bugzilla.redhat.com/show_bug.cgi | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | bugzilla.redhat.com | |
| access.redhat.com/errata/RHSA-2026:19206 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:13845 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:10702 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| support.apple.com/en-us/126348 | [email protected] | support.apple.com | Release Notes, Vendor Advisory |
| access.redhat.com/errata/RHSA-2026:9692 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:22136 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| support.apple.com/en-us/126353 | [email protected] | support.apple.com | Release Notes, Vendor Advisory |
| access.redhat.com/errata/RHSA-2026:11814 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20652.json | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | security.access.redhat.com | |
| support.apple.com/en-us/126347 | [email protected] | support.apple.com | Release Notes, Vendor Advisory |
| access.redhat.com/errata/RHSA-2026:14659 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:19535 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:16056 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/security/cve/CVE-2026-20652 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| ADP | 2026-03-18T20:21:51.189Z | Reported to Red Hat. |
| ADP | 2026-03-18T00:00:00.000Z | Made public. |
Solutions
ADP: RHSA-2026:22136: Red Hat Enterprise Linux Server (v. 7 ELS), Red Hat Enterprise Linux Server Optional (v. 7 ELS)
ADP: RHSA-2026:10702: Red Hat Enterprise Linux AppStream (v. 8)
ADP: RHSA-2026:16056: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
ADP: RHSA-2026:13845: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream E4S (v.8.6), Red Hat Enterprise Linux AppStream TUS (v.8.6)
ADP: RHSA-2026:11814: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8)
ADP: RHSA-2026:19535: Red Hat Enterprise Linux AppStream E4S (v.9.0)
ADP: RHSA-2026:16695: Red Hat Enterprise Linux AppStream E4S (v.9.2)
ADP: RHSA-2026:14659: Red Hat Enterprise Linux AppStream EUS (v.9.4)
ADP: RHSA-2026:11329: Red Hat Enterprise Linux AppStream EUS (v.9.6)
ADP: RHSA-2026:9692: Red Hat Enterprise Linux AppStream (v. 9)
ADP: RHSA-2026:19206: Red Hat Enterprise Linux AppStream (v. 9)
Workarounds
ADP: Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.