CVE-2021-46142: Use After Free

Published Jan 6, 2022
·
Updated

An issue was discovered in uriparser before 0.9.6. It performs invalid free operations in uriNormalizeSyntax.

Affected Software

11 affected componentsFixes available
debian/uriparser
0.9.1-1+deb10u10.9.4+dfsg-1+deb11u10.9.7+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

Event History

Jan 6, 2022
CVE Published
via MITRE·03:48 AM
Data Sourced
via MITRE·03:48 AM
Description
Data Sourced
via NVD·04:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

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.

2

How severe is CVE-2021-46142?

CVE-2021-46142 has a severity value of 5.5, which is classified as medium severity.

3

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.

4

How can I fix CVE-2021-46142?

To fix CVE-2021-46142, update uriparser to version 0.9.6 or later.

5

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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