Apple iOS/iPadOS up to 15.5 Liblouis buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.1$5k-$25k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Apple iOS and iPadOS up to 15.5. Affected is an unknown function of the component Liblouis. The manipulation leads to an unknown weakness. This vulnerability is documented as CVE-2022-26981. The attack needs to be performed locally. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iOS and iPadOS up to 15.5 (Smartphone Operating System). It has been rated as problematic. This issue affects some unknown functionality of the component Liblouis. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was released 07/20/2022 by Hexhive as HT213346 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2022-26981. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/13/2026). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

An app may cause unexpected app termination or arbitrary code execution

Upgrading to version 15.6 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). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

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

CVSSv2info

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

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

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: 🔍

Upgrade: iOS/iPadOS 15.6

Timelineinfo

03/13/2022 🔍
07/20/2022 +128 days 🔍
07/20/2022 +0 days 🔍
07/21/2022 +1 days 🔍
05/13/2026 +1392 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213346
Researcher: Hexhive
Status: Confirmed

CVE: CVE-2022-26981 (🔍)
GCVE (CVE): GCVE-0-2022-26981
GCVE (VulDB): GCVE-100-204731
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 07/21/2022 16:33
Updated: 05/13/2026 08:23
Changes: 07/21/2022 16:33 (11), 07/21/2022 16:34 (7), 07/21/2022 16:37 (28), 08/16/2022 09:36 (2), 08/16/2022 09:38 (2), 05/13/2026 08:23 (15)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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