CVE-2021-33938: Buffer Overflow

Published Dec 13, 2020
·
Updated

A flaw was found in libsolv. A buffer overflow vulnerability in the prunetorecommend function allows attackers to cause a denial of service. The highest threat from this vulnerability is to system availability.

Other sources

Buffer overflow vulnerability in function prunetorecommended in src/policy.c in libsolv before 0.7.17 allows attackers to cause a Denial of Service.

Affected Software

8 affected componentsFixes available
redhat/libsolv<0:0.7.16-3.el8_4
0:0.7.16-3.el8_4
redhat/libsolv<0:0.7.22-1.el7
0:0.7.22-1.el7
redhat/libsolv<0:0.7.22-1.el8
0:0.7.22-1.el8
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

Dec 13, 2020
CVE Published
12:00 AM
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 the vulnerability ID of this vulnerability?

The vulnerability ID of this vulnerability is CVE-2021-33938.

2

What is the severity of CVE-2021-33938?

CVE-2021-33938 has a severity rating of high (7).

3

What is the affected software of CVE-2021-33938?

The affected software of CVE-2021-33938 includes libsolv 0.7.16-3.el8_4, libsolv 0.7.22-1.el7, and libsolv 0.7.22-1.el8.

4

How can CVE-2021-33938 be exploited?

CVE-2021-33938 can be exploited by an attacker to cause a denial of service.

5

Are there any remedies available for CVE-2021-33938?

Yes, there are remedies available for CVE-2021-33938 depending on the affected software. Please refer to the provided references for more information.

Contact

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