CVE-2026-48864

HIGH

Libsolv: heap buffer overflow in libsolv repopagestore via unchecked decompression of malicious .solv page data

Title source: cna
STIX 2.1

Description

A flaw was found in libsolv. This heap buffer overflow occurs during the decompression of attacker-controlled compressed data within `.solv` files due to insufficient input validation. An attacker can provide a specially crafted `.solv` file, which, when processed by a vulnerable application, can lead to out-of-bounds memory access. This could result in information disclosure, alteration of program execution, or a denial of service.

References (15)

Core 15
Core References
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:28236
https://access.redhat.com/errata/RHSA-2026:28236
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:36730
https://access.redhat.com/errata/RHSA-2026:36730
Vdb Entry, X_Refsource_Redhat vdb-entry x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2026-48864
Issue Tracking, X_Refsource_Redhat issue-tracking x_refsource_redhat
RHBZ#2460425
https://bugzilla.redhat.com/show_bug.cgi?id=2460425
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:21333
https://access.redhat.com/errata/RHSA-2026:21333
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:39315
https://access.redhat.com/errata/RHSA-2026:39315
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:44481
https://access.redhat.com/errata/RHSA-2026:44481
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:46836
https://access.redhat.com/errata/RHSA-2026:46836
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:48811
https://access.redhat.com/errata/RHSA-2026:48811
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:48813
https://access.redhat.com/errata/RHSA-2026:48813
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:48814
https://access.redhat.com/errata/RHSA-2026:48814
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:48815
https://access.redhat.com/errata/RHSA-2026:48815
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:48816
https://access.redhat.com/errata/RHSA-2026:48816
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:48817
https://access.redhat.com/errata/RHSA-2026:48817
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:48818
https://access.redhat.com/errata/RHSA-2026:48818

Scores

CVSS v3 7.8
EPSS 0.0021
EPSS Percentile 10.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-787
Status published
Products (38)
opensuse/libsolv 0.7.36
Red Hat/Red Hat Discovery 2 1784821670
Red Hat/Red Hat Discovery 2 1784821750
Red Hat/Red Hat Enterprise Linux 10
Red Hat/Red Hat Enterprise Linux 10 0:0.7.33-5.el10_2
Red Hat/Red Hat Enterprise Linux 10.0 Extended Update Support 0:0.7.29-8.el10_0.1
Red Hat/Red Hat Enterprise Linux 7
Red Hat/Red Hat Enterprise Linux 8
Red Hat/Red Hat Enterprise Linux 8 0:0.7.20-7.el8_10
Red Hat/Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:0.7.16-3.el8_4.1
... and 28 more
Published May 26, 2026
Tracked Since May 26, 2026