CVE-2026-48864
HIGHLibsolv: heap buffer overflow in libsolv repopagestore via unchecked decompression of malicious .solv page data
Title source: cnaDescription
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 (3)
Core 3
Core References
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
Scores
CVSS v3
7.8
EPSS
0.0016
EPSS Percentile
5.3%
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 (18)
opensuse/libsolv
0.7.36
Red Hat/Red Hat Enterprise Linux 10
Red Hat/Red Hat Enterprise Linux 7
Red Hat/Red Hat Enterprise Linux 8
Red Hat/Red Hat Enterprise Linux 9
Red Hat/Red Hat Hardened Images
Red Hat/Red Hat Hardened Images
0.7.38-2.hum1
Red Hat/Red Hat OpenShift Container Platform 4
Red Hat/Red Hat Satellite 6
Red Hat/Red Hat Update Infrastructure 4 for Cloud Providers
... and 8 more
Published
May 26, 2026
Tracked Since
May 26, 2026