Apple macOS Web memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Apple macOS. Affected by this issue is some unknown functionality of the component Web Handler. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2023-43010. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Apple macOS (affected version not known). Affected is some unknown functionality of the component Web Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The issue was addressed with improved memory handling. This issue is fixed in iOS 17.2 and iPadOS 17.2, macOS Sonoma 14.2, Safari 17.2, iOS 16.7.15 and iPadOS 16.7.15, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.

The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2023-43010 since 09/14/2023. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/23/2026).

The vulnerability scanner Nessus provides a plugin with the ID 303116 (Linux Distros Unpatched Vulnerability : CVE-2023-43010), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (303116) and CERT Bund (WID-SEC-2026-0705). Once again VulDB remains the best source for vulnerability data.

Affected

  • Apple iOS
  • Apple iPadOS

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 8.8
ADP CISA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 303116
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-43010

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/14/2023 CVE reserved
03/12/2026 +910 days Advisory disclosed
03/12/2026 +0 days VulDB entry created
03/23/2026 +11 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2023-43010 (🔒)
GCVE (CVE): GCVE-0-2023-43010
GCVE (VulDB): GCVE-100-350604
CERT Bund: WID-SEC-2026-0705 - Apple iOS und iPadOS: Mehrere Schwachstellen

scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 03/12/2026 04:50
Updated: 03/23/2026 21:38
Changes: 03/12/2026 04:50 (55), 03/12/2026 18:52 (7), 03/15/2026 01:25 (12), 03/23/2026 21:38 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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