RHSA-2026:49775: Moderate: libsolv security update

Published Aug 3, 2026
·
Updated

Moderate: libsolv security update

Other sources

The libsolv packages provide a library for resolving package dependencies using a satisfiability algorithm.Security Fix(es): libsolv: Heap buffer overflow in libsolv repopagestore via unchecked decompression of malicious .solv page data (CVE-2026-48864) 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.

— Red Hat

Affected Software

22 affected componentsFixes available
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian
redhat/libsolv<0.6.34-4.el7_9.1
0.6.34-4.el7_9.1
redhat/libsolv<0.6.34-4.el7_9.1
0.6.34-4.el7_9.1
redhat/libsolv-debuginfo<0.6.34-4.el7_9.1
0.6.34-4.el7_9.1
redhat/libsolv-debuginfo<0.6.34-4.el7_9.1
0.6.34-4.el7_9.1
redhat/libsolv-demo<0.6.34-4.el7_9.1
0.6.34-4.el7_9.1
redhat/libsolv-devel<0.6.34-4.el7_9.1
0.6.34-4.el7_9.1
redhat/libsolv-devel<0.6.34-4.el7_9.1
0.6.34-4.el7_9.1
redhat/libsolv-tools<0.6.34-4.el7_9.1
0.6.34-4.el7_9.1
redhat/libsolv-tools<0.6.34-4.el7_9.1
0.6.34-4.el7_9.1
redhat/python2-solv<0.6.34-4.el7_9.1
0.6.34-4.el7_9.1
redhat/libsolv-demo<0.6.34-4.el7_9.1
0.6.34-4.el7_9.1
redhat/python2-solv<0.6.34-4.el7_9.1
0.6.34-4.el7_9.1
redhat/libsolv<0.6.34-4.el7_9.1
0.6.34-4.el7_9.1
redhat/libsolv-debuginfo<0.6.34-4.el7_9.1
0.6.34-4.el7_9.1
redhat/libsolv-demo<0.6.34-4.el7_9.1
0.6.34-4.el7_9.1
redhat/libsolv-devel<0.6.34-4.el7_9.1
0.6.34-4.el7_9.1
redhat/libsolv-tools<0.6.34-4.el7_9.1
0.6.34-4.el7_9.1
redhat/python2-solv<0.6.34-4.el7_9.1
0.6.34-4.el7_9.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/libsolv to a version that resolves this vulnerability.

    Fixed in 0.6.34-4.el7_9.1
  2. Upgrade

    Upgrade redhat/libsolv-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.6.34-4.el7_9.1
  3. Upgrade

    Upgrade redhat/libsolv-demo to a version that resolves this vulnerability.

    Fixed in 0.6.34-4.el7_9.1
  4. Upgrade

    Upgrade redhat/libsolv-devel to a version that resolves this vulnerability.

    Fixed in 0.6.34-4.el7_9.1
  5. Upgrade

    Upgrade redhat/libsolv-tools to a version that resolves this vulnerability.

    Fixed in 0.6.34-4.el7_9.1
  6. Upgrade

    Upgrade redhat/python2-solv to a version that resolves this vulnerability.

    Fixed in 0.6.34-4.el7_9.1
  7. Upgrade

    Upgrade libsolv to a version that resolves this vulnerability.

    Patch CVE-2026-48864

Event History

Aug 3, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·06:35 PM
Data Sourced
via Red Hat·06:35 PM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:49775?

The severity of RHSA-2026:49775 is rated as medium.

2

What security vulnerabilities are addressed in RHSA-2026:49775?

RHSA-2026:49775 addresses a heap buffer overflow vulnerability in libsolv identified by CVE-2026-48864.

3

How do I fix RHSA-2026:49775?

To fix RHSA-2026:49775, you need to update the libsolv packages to the latest version provided by Red Hat.

4

Which software packages are affected by RHSA-2026:49775?

The affected software packages include redhat/libsolv, redhat/libsolv-debuginfo, redhat/libsolv-demo, redhat/libsolv-devel, redhat/libsolv-tools, and redhat/python2-solv.

5

What is the cause of the vulnerability in RHSA-2026:49775?

The cause of the vulnerability in RHSA-2026:49775 is an unchecked decompression of malicious .solv page data leading to a heap buffer overflow.

Company

Resources

Contact

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