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Severity by source

Vendor (redhat) PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
qualitative
SUSE
HIGH
qualitative
Red Hat
7.5 HIGH
qualitative

Primary rating from Vendor (redhat).

CVSS VectorVendor: redhat

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

4
Patch available
Jul 16, 2026 - 02:02 EUVD
Source Code Evidence Fetched
Jul 16, 2026 - 01:15 vuln.today
Analysis Generated
Jul 16, 2026 - 01:15 vuln.today
CVE Published
Jul 16, 2026 - 00:46 cve.org
HIGH 7.5

DescriptionCVE.org

A flaw was found in libsolv. A stack-based buffer overflow vulnerability exists in the PGP verification component due to incorrect length handling when copying EdDSA 's' MPI into a stack buffer. A remote attacker could craft a malicious Ed25519 PGP signature with mismatched MPI lengths. Processing this crafted signature could lead to a denial of service in automated package or repository processing workflows.

AnalysisAI

Denial of service in libsolv's PGP signature verification (solv_pgpvrfy) allows remote attackers to crash automated package and repository processing by supplying a crafted Ed25519 signature. The flaw is a stack-based buffer overflow (CWE-121) triggered when the EdDSA 's' MPI is copied into a fixed 64-byte stack buffer using an attacker-controlled mismatched length. It affects the libsolv dependency solver embedded in Red Hat Enterprise Linux 7/8/9/10, OpenShift, Satellite, RHUI, openSUSE/SUSE, Ubuntu and Debian; no public exploit identified at time of analysis and it is not in CISA KEV.

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Vendor StatusVendor

Ubuntu

Priority: Medium
libsolv
Release Status Version
questing ignored end of life, was needs-triage
bionic needs-triage -
focal needs-triage -
jammy needs-triage -
noble needs-triage -
resolute needs-triage -
upstream released 0.7.38-1

Debian

libsolv
Release Status Fixed Version Urgency
bullseye vulnerable 0.7.17-1+deb11u1 -
bookworm vulnerable 0.7.23-1+deb12u1 -
trixie vulnerable 0.7.32-1 -
forky, sid fixed 0.7.39-1 -
(unstable) fixed 0.7.38-1 -

SUSE

Severity: Important
Product Status
Container suse/ltss/sle15.4/sle15:15.4-6.29 Container suse/manager/4.3/proxy-httpd:4.3.18.9.79.16 Container suse/manager/4.3/proxy-salt-broker:4.3.18.9.69.16 Container suse/sle-micro-rancher/5.3:latest Container suse/sle-micro-rancher/5.4:5.4.4.5.138 Container suse/sle-micro/5.3/toolbox:16.3-6.11.242 Container suse/sle-micro/5.4/toolbox:16.3-5.19.243 Image SLES15-SP4-CHOST-BYOS Image SLES15-SP4-CHOST-BYOS-Aliyun Image SLES15-SP4-CHOST-BYOS-Azure Image SLES15-SP4-CHOST-BYOS-EC2 Image SLES15-SP4-CHOST-BYOS-GCE Image SLES15-SP4-CHOST-BYOS-SAP-CCloud Image SLES15-SP4-HPC-BYOS Image SLES15-SP4-HPC-BYOS-Azure Image SLES15-SP4-HPC-BYOS-EC2 Image SLES15-SP4-HPC-BYOS-GCE Image SLES15-SP4-HPC-EC2 Image SLES15-SP4-HPC-GCE Image SLES15-SP4-SAP Image SLES15-SP4-SAP-Azure Image SLES15-SP4-SAP-EC2 Image SLES15-SP4-SAP-GCE Image SLES15-SP4-SAPCAL Image SLES15-SP4-SAPCAL-Azure Image SLES15-SP4-SAPCAL-EC2 Image SLES15-SP4-SAPCAL-GCE Affected
Container suse/ltss/sle15.5/sle15:15.5-8.46 Container suse/sle-micro/5.5/toolbox:16.3-3.12.150 Container suse/sle-micro/base-5.5:2.0.4-5.8.285 Image SLES15-SP5-HPC-Azure Image SLES15-SP5-HPC-BYOS-Azure Image SLES15-SP5-HPC-BYOS-EC2 Image SLES15-SP5-HPC-BYOS-GCE Image SLES15-SP5-SAPCAL-Azure Image SLES15-SP5-SAPCAL-EC2 Image SLES15-SP5-SAPCAL-GCE Affected
Container suse/ltss/sle15.6/sle15:15.6-5.66 Image SLES15-SP6-HPC Image SLES15-SP6-HPC-Azure Image SLES15-SP6-HPC-BYOS Image SLES15-SP6-HPC-BYOS-Azure Image SLES15-SP6-HPC-BYOS-EC2 Image SLES15-SP6-HPC-BYOS-GCE Image SLES15-SP6-HPC-EC2 Image SLES15-SP6-HPC-GCE Image SLES15-SP6-SAP-BYOS Image SLES15-SP6-SAP-BYOS-EC2 Image SLES15-SP6-SAP-Hardened-BYOS Image SLES15-SP6-SAP-Hardened-BYOS-EC2 Image SLES15-SP6-SAP-Hardened-EC2 Affected
Container suse/multi-linux-manager/5.1/x86_64/proxy-httpd:5.1.4.8.24.2 Container suse/multi-linux-manager/5.1/x86_64/proxy-salt-broker:5.1.4.9.22.2 Container suse/multi-linux-manager/5.1/x86_64/server-saline:5.1.4.9.22.1 Container suse/sle15:15.7-5.20.31 Image SLES15-SP7-Azure-3P Image SLES15-SP7-Azure-Basic Image SLES15-SP7-Azure-Standard Image SLES15-SP7-BYOS-Azure Image SLES15-SP7-BYOS-EC2 Image SLES15-SP7-BYOS-GCE Image SLES15-SP7-CHOST-BYOS-Aliyun Image SLES15-SP7-CHOST-BYOS-Azure Image SLES15-SP7-CHOST-BYOS-EC2 Image SLES15-SP7-CHOST-BYOS-GCE Image SLES15-SP7-CHOST-BYOS-GDC Image SLES15-SP7-CHOST-BYOS-SAP-CCloud Image SLES15-SP7-EC2 Image SLES15-SP7-EC2-ECS-HVM Image SLES15-SP7-GCE Image SLES15-SP7-HPC-Azure Image SLES15-SP7-HPC-BYOS-Azure Image SLES15-SP7-HPC-BYOS-EC2 Image SLES15-SP7-HPC-BYOS-GCE Image SLES15-SP7-Hardened-BYOS-Azure Image SLES15-SP7-Hardened-BYOS-EC2 Image SLES15-SP7-Hardened-BYOS-GCE Image SLES15-SP7-SAP-Azure Image SLES15-SP7-SAP-Azure-3P Image SLES15-SP7-SAP-BYOS-Azure Image SLES15-SP7-SAP-BYOS-EC2 Image SLES15-SP7-SAP-BYOS-GCE Image SLES15-SP7-SAP-EC2 Image SLES15-SP7-SAP-GCE Image SLES15-SP7-SAP-Hardened-Azure Image SLES15-SP7-SAP-Hardened-BYOS-Azure Image SLES15-SP7-SAP-Hardened-BYOS-EC2 Image SLES15-SP7-SAP-Hardened-BYOS-GCE Image SLES15-SP7-SAP-Hardened-GCE Image SLES15-SP7-SAPCAL-Azure Image SLES15-SP7-SAPCAL-EC2 Image SLES15-SP7-SAPCAL-GCE Image proxy-salt-broker-image Image server-saline-image Affected
Container suse/multi-linux-manager/5.1/x86_64/server:5.1.4.8.22.1 Image server-image-sles15sp7 Affected

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CVE-2026-48863 vulnerability details – vuln.today

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