RHSA-2021:4060: Moderate: libsolv security update
The libsolv packages provide a library for resolving package dependencies using a satisfiability algorithm.Security Fix(es): libsolv: heap-based buffer overflow in poolinstallable() in src/repo.h (CVE-2021-33928) libsolv: heap-based buffer overflow in pooldisabledsolvable() in src/repo.h (CVE-2021-33929) libsolv: heap-based buffer overflow in poolinstallablewhatprovides() in src/repo.h (CVE-2021-33930) libsolv: heap-based buffer overflow in prunetorecommended() in src/policy.c (CVE-2021-33938) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:4060?
The severity of RHSA-2021:4060 is classified as important due to the presence of a heap-based buffer overflow vulnerability.
How do I fix RHSA-2021:4060?
To fix RHSA-2021:4060, update the libsolv package to version 0.7.16-3.el8_4 or later.
What are the affected packages in RHSA-2021:4060?
The affected packages in RHSA-2021:4060 include libsolv, libsolv-debuginfo, and libsolv-tools among others.
What is CVE-2021-33928 linked to RHSA-2021:4060?
CVE-2021-33928 is a vulnerability that describes a heap-based buffer overflow in the pool_installable() function in libsolv.
Is my system vulnerable if I have an outdated version of libsolv?
Yes, if you have an outdated version of libsolv prior to 0.7.16-3.el8_4, your system is vulnerable to exploitation via CVE-2021-33928.