CVE-2021-46142
MEDIUM
Published Jan 6, 20224y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Published Jan 6, 2022 4y ago
Last Modified Jun 17, 2026 2w ago
Description
An issue was discovered in uriparser before 0.9.6. It performs invalid free operations in uriNormalizeSyntax.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity None
Availability High
Threat Intelligence
No active exploitation signals — not in CISA KEV and no EPSS score yet.
Exploit & Patch Status
Public Exploit Known
Patch Available
Weaknesses 1
CWE-416 Use After Free Memory Safety
Affected Products 10
| Vendor | Product | Version | Range |
|---|---|---|---|
| uriparser_project | uriparser | * | <0.9.6 |
| fedoraproject | extra_packages_for_enterprise_linux | 8.0 | any |
| fedoraproject | fedora | 34 | any |
| fedoraproject | fedora | 35 | any |
| debian | debian_linux | 9.0 | any |
| debian | debian_linux | 10.0 | any |
| debian | debian_linux | 11.0 | any |
| opensuse | factory | * | any |
| opensuse | backports | sle-15 | any |
| opensuse | leap | 15.3 | any |
References 6
- blog.hartwork.org https://blog.hartwork.org/posts/uriparser-096-with-security-fixes-released/
- github.com https://github.com/uriparser/uriparser/issues/122
- github.com https://github.com/uriparser/uriparser/pull/124
- lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6T7WA27H7K3WI2AXUAGPWBGK4HM65D/
- lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGIJTDNEMU2V4H3JJBQVKBRHU5GBQKG2/
- debian.org https://www.debian.org/security/2022/dsa-5063
Remediation
- github.com https://github.com/uriparser/uriparser/issues/122
- github.com https://github.com/uriparser/uriparser/pull/124