x-text up to 0.3.6 Language Tag out-of-bounds

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in x-text up to 0.3.6. It has been rated as problematic. This issue affects some unknown processing of the component Language Tag Handler. Performing a manipulation results in out-of-bounds. This vulnerability is known as CVE-2021-38561. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in x-text up to 0.3.6. It has been classified as problematic. This affects an unknown function of the component Language Tag Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. The summary by CVE is:

golang.org/x/text/language in golang.org/x/text before 0.3.7 can panic with an out-of-bounds read during BCP 47 language tag parsing. Index calculation is mishandled. If parsing untrusted user input, this can be used as a vector for a denial-of-service attack.

The weakness was published 12/26/2022. The advisory is shared at deps.dev. This vulnerability is uniquely identified as CVE-2021-38561 since 08/11/2021. Neither technical details nor an exploit are publicly available.

Upgrading to version 0.3.7 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: x-text 0.3.7

Timelineinfo

08/11/2021 🔍
12/26/2022 +502 days 🔍
12/26/2022 +0 days 🔍
04/15/2025 +841 days 🔍

Sourcesinfo

Advisory: deps.dev
Status: Confirmed

CVE: CVE-2021-38561 (🔍)
GCVE (CVE): GCVE-0-2021-38561
GCVE (VulDB): GCVE-100-216825

Entryinfo

Created: 12/26/2022 20:25
Updated: 04/15/2025 02:05
Changes: 12/26/2022 20:25 (39), 01/24/2023 15:00 (11), 04/15/2025 02:05 (16)
Complete: 🔍
Cache ID: 216::103

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