CVE-2021-46142: Use After Free
First published: Thu Jan 06 2022(Updated: )
An issue was discovered in uriparser before 0.9.6. It performs invalid free operations in uriNormalizeSyntax.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/uriparser | 0.9.1-1+deb10u1 0.9.4+dfsg-1+deb11u1 0.9.7+dfsg-2 | |
| 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 | ||
| Opensuse Backports | =sle-15 | |
| openSUSE Leap | =15.3 |
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Reference Links
- https://github.com/uriparser/uriparser/issues/122
- https://github.com/uriparser/uriparser/commit/c0483990e6b5b454f7c8752b36760cfcb0d093f5
- https://github.com/uriparser/uriparser/pull/124
- https://security-tracker.debian.org/tracker/CVE-2021-46142
- https://blog.hartwork.org/posts/uriparser-096-with-security-fixes-released/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MO6T7WA27H7K3WI2AXUAGPWBGK4HM65D/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YGIJTDNEMU2V4H3JJBQVKBRHU5GBQKG2/
- https://www.debian.org/security/2022/dsa-5063
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6T7WA27H7K3WI2AXUAGPWBGK4HM65D/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGIJTDNEMU2V4H3JJBQVKBRHU5GBQKG2/
Frequently Asked Questions
What is CVE-2021-46142?
CVE-2021-46142 is a vulnerability discovered in uriparser before version 0.9.6 that performs invalid free operations in uriNormalizeSyntax.
How severe is CVE-2021-46142?
CVE-2021-46142 has a severity value of 5.5, which is classified as medium severity.
Which software is affected by CVE-2021-46142?
The vulnerability affects uriparser versions 0.9.1-1+deb10u1, 0.9.4+dfsg-1+deb11u1, 0.9.7+dfsg-2, as well as some Fedora, Debian, and openSUSE distributions.
How can I fix CVE-2021-46142?
To fix CVE-2021-46142, update uriparser to version 0.9.6 or later.
Where can I find more information about CVE-2021-46142?
You can find more information about CVE-2021-46142 on the following references: - [Blog Post](https://blog.hartwork.org/posts/uriparser-096-with-security-fixes-released/) - [GitHub Issue](https://github.com/uriparser/uriparser/issues/122) - [GitHub Pull Request](https://github.com/uriparser/uriparser/pull/124)
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