CVE-2021-33929

Name: CVE-2021-33929
Creator: NVD / NIST
Published: 2021-09-02T15:15:07.707+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.34%

Last modified Jun 17, 2026

CVE-2021-33929 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Buffer overflow vulnerability in function pool_disabled_solvable in src/repo.h in libsolv before 0.7.17 allows attackers to cause a Denial of Service.. EPSS estimates a 1.34% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.34%

67.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Opensuse	Libsolv	<= 0.7.17

References

https://github.com/openSUSE/libsolv/issues/417Exploit, Issue Tracking, Third Party Advisory
https://github.com/openSUSE/libsolv/issues/417Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Sep 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-33929?

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

How severe is CVE-2021-33929?

CVE-2021-33929 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.34% probability of exploitation in the next 30 days.

How do I fix CVE-2021-33929?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-33929?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST