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CVE Vulnerability Details :
CVE-2026-48864
PUBLISHED
More InfoOfficial Page
Assigner-redhat
Assigner Org ID-53f830b8-0a3f-465b-8143-3b8a9948e749
View Known Exploited Vulnerability (KEV) details
Published At-26 May, 2026 | 16:16
Updated At-26 May, 2026 | 17:23
Rejected At-
▼CVE Numbering Authority (CNA)
Libsolv: heap buffer overflow in libsolv repopagestore via unchecked decompression of malicious .solv page data

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.

Affected Products
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 10
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
libsolv
CPEs
  • cpe:/o:redhat:enterprise_linux:10
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 7
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
libsolv
CPEs
  • cpe:/o:redhat:enterprise_linux:7
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
libsolv
CPEs
  • cpe:/o:redhat:enterprise_linux:8
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 9
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
libsolv
CPEs
  • cpe:/o:redhat:enterprise_linux:9
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Hardened Images
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
libsolv
CPEs
  • cpe:/a:redhat:hummingbird:1
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat OpenShift Container Platform 4
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
rhcos
CPEs
  • cpe:/a:redhat:openshift:4
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Satellite 6
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
satellite-capsule:el8/libsolv
CPEs
  • cpe:/a:redhat:satellite:6
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Update Infrastructure 4 for Cloud Providers
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
libsolv
CPEs
  • cpe:/a:redhat:rhui:4::el8
Default Status
affected
Problem Types
TypeCWE IDDescription
CWECWE-787Out-of-bounds Write
Type: CWE
CWE ID: CWE-787
Description: Out-of-bounds Write
Metrics
VersionBase scoreBase severityVector
3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Metrics Other Info
Red Hat severity rating
value:
Moderate
namespace:
https://access.redhat.com/security/updates/classification/
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Exploits

Credits

This issue was discovered by Found by AISLE in partnership with Red Hat.
Timeline
EventDate
Reported to Red Hat.2026-04-21 23:19:41
Made public.2026-05-26 16:07:55
Event: Reported to Red Hat.
Date: 2026-04-21 23:19:41
Event: Made public.
Date: 2026-05-26 16:07:55
Replaced By

Rejected Reason

References
HyperlinkResource
https://access.redhat.com/security/cve/CVE-2026-48864
vdb-entry
x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2460425
issue-tracking
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/security/cve/CVE-2026-48864
Resource:
vdb-entry
x_refsource_REDHAT
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2460425
Resource:
issue-tracking
x_refsource_REDHAT
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://bugzilla.redhat.com/show_bug.cgi?id=2460425
exploit
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2460425
Resource:
exploit
Details not found