CVE-2025-43239
published 2025-07-30CVE-2025-43239: An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura…
PriorityP428high7.1CVSS 3.1
AVLACLPRNUIRSUCHINAH
EPSS
0.23%
14.1th percentile
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. Processing a maliciously crafted file may lead to unexpected app termination.
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | macos | < 14.7.7 | 14.7.7 |
| apple | macos | < 15.6 | 15.6 |
| apple | macos | < 13.7.7 | 13.7.7 |
| apple | macos | >= 14.0 < 14.7.7 | 14.7.7 |
| apple | macos | >= 15.0 < 15.6 | 15.6 |
| apple | macos_sequoia | — | — |
| apple | macos_sonoma | — | — |
| apple | macos_ventura | — | — |
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Apple
CVE-2025-43239: macOS Ventura 13.7.7
vendor_apple·2025-07-29·CVSS 7.1
CVE-2025-43239 [HIGH] CVE-2025-43239: macOS Ventura 13.7.7
Apple Security Update: About the security content of macOS Ventura 13.7.7
Product: macOS Ventura
Version: 13.7.7
CVE: CVE-2025-43239
Component: Single Sign-On
Impact: An app may be able to access sensitive user data
Description: This issue was addressed with additional entitlement checks.
Apple
CVE-2025-43239: macOS Sequoia 15.6
vendor_apple·2025-07-29·CVSS 7.1
CVE-2025-43239 [HIGH] CVE-2025-43239: macOS Sequoia 15.6
Apple Security Update: About the security content of macOS Sequoia 15.6
Product: macOS Sequoia
Version: 15.6
CVE: CVE-2025-43239
Component: Single Sign-On
Impact: An app may be able to access sensitive user data
Description: This issue was addressed with additional entitlement checks.
Apple
CVE-2025-43239: macOS Sonoma 14.7.7
vendor_apple·2025-07-29·CVSS 7.1
CVE-2025-43239 [HIGH] CVE-2025-43239: macOS Sonoma 14.7.7
Apple Security Update: About the security content of macOS Sonoma 14.7.7
Product: macOS Sonoma
Version: 14.7.7
CVE: CVE-2025-43239
Component: Single Sign-On
Impact: An app may be able to access sensitive user data
Description: This issue was addressed with additional entitlement checks.
GHSA
GHSA-f6ch-wgf2-cc32: An out-of-bounds access issue was addressed with improved bounds checking
ghsa_unreviewed·2025-07-30
CVE-2025-43239 [HIGH] CWE-125 GHSA-f6ch-wgf2-cc32: An out-of-bounds access issue was addressed with improved bounds checking
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. Processing a maliciously crafted file may lead to unexpected app termination.
Suricata
ET WEB_SPECIFIC_APPS D-Link showMACfilterMAC flag_5g Parameter Buffer Overflow Attempt (CVE-2023-43239)
suricata·2025-10-10·CVSS 9.8
CVE-2023-43239 [CRITICAL] ET WEB_SPECIFIC_APPS D-Link showMACfilterMAC flag_5g Parameter Buffer Overflow Attempt (CVE-2023-43239)
ET WEB_SPECIFIC_APPS D-Link showMACfilterMAC flag_5g Parameter Buffer Overflow Attempt (CVE-2023-43239)
Rule: alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS D-Link showMACfilterMAC flag_5g Parameter Buffer Overflow Attempt (CVE-2023-43239)"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:24; content:"/goform/showMACfilterMAC"; fast_pattern; http.request_body; content:"flag_5g|3d|"; pcre:"/^[^&]{100,}(?:&|$)/R"; reference:url,github.com/peris-navince/founded-0-days/blob/main/Dlink/816/showMACfilterMAC/1.md; reference:cve,2023-43239; classtype:web-application-attack; sid:2065140; rev:1; metadata:affected_product D_Link, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_10_10, cve CVE_2023_43239, deployment Perimeter, deploymen
No public exploits indexed.
No writeups or analysis indexed.
2025-07-30
Published