Liblouis up to 3.21.0 compileTranslationTable.c compilePassOpcode buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Liblouis up to 3.21.0. This impacts the function compilePassOpcode of the file compileTranslationTable.c. Such manipulation leads to buffer overflow. This vulnerability is uniquely identified as CVE-2022-26981. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Liblouis up to 3.21.0. Affected by this issue is the function compilePassOpcode of the file compileTranslationTable.c. The manipulation with an unknown input leads to a buffer overflow vulnerability. 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 disclosed 03/14/2022 as 1171. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2022-26981 since 03/13/2022. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-31522). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
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: No
Local: No
Remote: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/13/2022 🔍
03/14/2022 +1 days 🔍
03/14/2022 +0 days 🔍
05/13/2026 +1521 days 🔍

Sourcesinfo

Product: github.com

Advisory: 1171
Status: Confirmed

CVE: CVE-2022-26981 (🔍)
GCVE (CVE): GCVE-0-2022-26981
GCVE (VulDB): GCVE-100-194852
EUVD: 🔍

Entryinfo

Created: 03/14/2022 07:20
Updated: 05/13/2026 08:23
Changes: 03/14/2022 07:20 (38), 03/16/2022 09:59 (1), 05/13/2026 08:23 (15)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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