CVE-2021-46142
MEDIUMCVSS 5.5/10EPSS 1.09%
Last modified
CVE-2021-46142 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An issue was discovered in uriparser before 0.9.6. It performs invalid free operations in uriNormalizeSyntax.. EPSS estimates a 1.09% chance of exploitation in the next 30 days.
Description
An issue was discovered in uriparser before 0.9.6. It performs invalid free operations in uriNormalizeSyntax.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Uriparser Project | Uriparser | < 0.9.6 |
| Fedoraproject | Extra Packages For Enterprise Linux | 8.0 |
| Fedoraproject | Fedora | 34 |
| Fedoraproject | Fedora | 35 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
| Opensuse | Factory | All versions |
| Opensuse | Backports | sle-15 |
| Opensuse | Leap | 15.3 |
References
- https://blog.hartwork.org/posts/uriparser-096-with-security-fixes-released/Third Party Advisory
- https://github.com/uriparser/uriparser/issues/122Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/uriparser/uriparser/pull/124Exploit, Patch, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5063Third Party Advisory
- https://blog.hartwork.org/posts/uriparser-096-with-security-fixes-released/Third Party Advisory
- https://github.com/uriparser/uriparser/issues/122Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/uriparser/uriparser/pull/124Exploit, Patch, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5063Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-46142?
An issue was discovered in uriparser before 0.9.6. It performs invalid free operations in uriNormalizeSyntax.
How severe is CVE-2021-46142?
CVE-2021-46142 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.09% probability of exploitation in the next 30 days.
How do I fix CVE-2021-46142?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-46142?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST