Apple macOS Liblouis buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Apple macOS. This affects an unknown part of the component Liblouis. The manipulation results in an unknown weakness. This vulnerability was named CVE-2022-26981. The attack needs to be approached locally. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Apple macOS (Operating System) (unknown version). Affected is an unknown code block of the component Liblouis. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 07/20/2022 by Hexhive as HT213345 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2022-26981. There are neither technical details nor an exploit publicly available. The advisory points out:

An app may cause unexpected app termination or arbitrary code execution

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

This issue was addressed with improved checks.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-31522). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/13/2022 🔍
07/20/2022 +128 days 🔍
07/20/2022 +0 days 🔍
07/22/2022 +2 days 🔍
05/13/2026 +1391 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213345
Researcher: Hexhive
Status: Confirmed

CVE: CVE-2022-26981 (🔍)
GCVE (CVE): GCVE-0-2022-26981
GCVE (VulDB): GCVE-100-204888
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 07/22/2022 12:01
Updated: 05/13/2026 15:40
Changes: 07/22/2022 12:01 (6), 07/22/2022 12:02 (10), 07/22/2022 12:05 (28), 08/20/2022 09:31 (2), 08/20/2022 09:32 (20), 05/13/2026 15:40 (15)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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