What’s Vulnerable › Vulnerabilities

CVE-2022-23496: A crafted list can trigger a ArrayIndexOutOfBoundsException in Yauaa

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-08 · updated 2026-06-17
• Weakness: CWE-755

Description

Yet Another UserAgent Analyzer (Yauaa) is a java library that tries to parse and analyze the useragent string and extract as many relevant attributes as possible. Applications using the Client Hints analysis feature introduced with 7.0.0 can crash because the Yauaa library throws an ArrayIndexOutOfBoundsException. If uncaught the exception will result in a program crash. Applications that do not use this feature are not affected. Users are advised to upgrade to version 7.9.0. Users unable to upgrade may catch and discard any ArrayIndexOutOfBoundsException thrown by the Yauaa library.

Affected products

• Yet Another Useragent Analyzer Project Yet Another Useragent Analyzer: from 7.0.0 before 7.9.0 — fixed in 7.9.0

How to fix

Upgrade to a fixed version: Yet Another Useragent Analyzer Project Yet Another Useragent Analyzer 7.9.0. Check the vendor advisory for mitigations.

References

• https://github.com/nielsbasjes/yauaa/commit/3017a866e2cff0d308f264b66fde4fa79e3beb9e
• https://github.com/nielsbasjes/yauaa/security/advisories/GHSA-c4pm-63cg-9j7h
• https://github.com/nielsbasjes/yauaa/commit/3017a866e2cff0d308f264b66fde4fa79e3beb9e
• https://github.com/nielsbasjes/yauaa/security/advisories/GHSA-c4pm-63cg-9j7h

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