CVE-2021-33930: Buffer Overflow

Published Sep 2, 2021
·
Updated

Buffer overflow vulnerability in function poolinstallablewhatprovides in src/repo.h in libsolv before 0.7.17 allows attackers to cause a Denial of Service.

Affected Software

5 affected componentsFixes available
redhat/libsolv<0.7.17
0.7.17
openSUSE libsolv<=0.7.17
IBM Business Automation Insights<=25.0.0
IBM Business Automation Insights<=24.0.1
IBM Business Automation Insights<=24.0.0

Event History

Sep 2, 2021
CVE Published
via MITRE·02:58 PM
Data Sourced
via MITRE·02:58 PM
Description
Nov 3, 2025
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-33930?

CVE-2021-33930 is a vulnerability in Libsolv that can be exploited by a remote attacker to cause a denial of service.

2

What is the severity of CVE-2021-33930?

The severity of CVE-2021-33930 is medium, with a severity value of 5.3.

3

Which software is affected by CVE-2021-33930?

Libsolv version up to exclusive 0.7.17, IBM QRadar SIEM versions 7.5.0 GA, 7.4.3 GA - 7.4.3 FP4, and 7.3.3 GA - 7.3.3 FP10 are affected by CVE-2021-33930.

4

How can I fix CVE-2021-33930?

To fix CVE-2021-33930, update Libsolv to version 0.7.17 or apply the respective patches for the affected IBM QRadar SIEM versions.

5

Where can I find more information about CVE-2021-33930?

More information about CVE-2021-33930 can be found in the references provided: [GitHub Issue](https://github.com/openSUSE/libsolv/issues/417), [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi?id=2000706), [GitHub Commit](https://github.com/openSUSE/libsolv/commit/0077ef29eb46d2e1df2f230fc95a1d9748d49dec).

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