Upstream information

CVE-2026-48101 at MITRE

Description

7-Zip is a file archiver with a high compression ratio. Versions 9.21 through 26.00 contain an An uninitialized memory disclosure vulnerability in the UEFI capsule (.scap) parser in 7-Zip. The OpenCapsule function allocates a heap buffer of attacker-declared CapsuleImageSize (up to 1 GiB) without zero-initialization, then reads the file contents into it with ReadStream_FALSE whose return value is silently discarded. If the file is truncated, the unread tail of the buffer retains uninitialized heap memory, which is then exposed as extracted file content via GetStream. Version 26.0.1 fixes the issue.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having moderate severity.

CVSS v3 Scores
CVSS detail CNA (GitHub) SUSE
Base Score 6.5 5.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector Network Local
Attack Complexity Low Low
Privileges Required None None
User Interaction Required Required
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact None None
Availability Impact None None
CVSSv3 Version 3.1 3.1
CVSS v4 Scores
CVSS detail SUSE
Base Score 6.7
Vector CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Attack Vector Local
Attack Complexity Low
Attack Requirements None
Privileges Required None
User Interaction Active
Vulnerable System Confidentiality Impact High
Vulnerable System Integrity Impact None
Vulnerable System Availability Impact None
Subsequent System Confidentiality Impact None
Subsequent System Integrity Impact None
Subsequent System Availability Impact None
CVSSv4 Version 4.0
SUSE Bugzilla entry: 1267859 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Desktop 15 SP7
SUSE Linux Enterprise High Performance Computing 15 SP7
SUSE Linux Enterprise Module for Basesystem 15 SP7
SUSE Linux Enterprise Server 15 SP7
SUSE Linux Enterprise Server for SAP Applications 15 SP7
  • 7zip >= 26.01-150400.9.6.1
 Patchnames:
SUSE-SLE-Module-Basesystem-15-SP7-2026-2696
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS
  • 7zip >= 26.01-150400.9.6.1
 Patchnames:
SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2696
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS
  • 7zip >= 26.01-150400.9.6.1
 Patchnames:
SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2696
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS
  • 7zip >= 26.01-150400.9.6.1
 Patchnames:
SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-2696
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS
  • 7zip >= 26.01-150400.9.6.1
 Patchnames:
SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-2696
SUSE Linux Enterprise Server 15 SP4-LTSS
  • 7zip >= 26.01-150400.9.6.1
 Patchnames:
SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2696
SUSE Linux Enterprise Server 15 SP5-LTSS
  • 7zip >= 26.01-150400.9.6.1
 Patchnames:
SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2696
SUSE Linux Enterprise Server 15 SP6-LTSS
  • 7zip >= 26.01-150400.9.6.1
 Patchnames:
SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2696
SUSE Linux Enterprise Server 16.0
SUSE Linux Enterprise Server for SAP applications 16.0
  • 7zip >= 26.01-160000.1.1
 Patchnames:
SUSE-SLES-16.0-1051
SUSE Linux Enterprise Server for SAP Applications 15 SP4
  • 7zip >= 26.01-150400.9.6.1
 Patchnames:
SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2696
SUSE Linux Enterprise Server for SAP Applications 15 SP5
  • 7zip >= 26.01-150400.9.6.1
 Patchnames:
SUSE-SLE-Product-SLES_SAP-15-SP5-2026-2696
SUSE Linux Enterprise Server for SAP Applications 15 SP6
  • 7zip >= 26.01-150400.9.6.1
 Patchnames:
SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2696
openSUSE Leap 16.0
  • 7zip >= 26.01-160000.1.1
 Patchnames:
openSUSE-Leap-16.0-1051

List of packages in QA

Product(s) Package(s)
SUSE Linux Enterprise Server 16.0
  • 7zip >= 26.01-160000.1.1

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Desktop 15 SP7 7zip Released
SUSE Linux Enterprise High Performance Computing 15 SP7 7zip Released
SUSE Linux Enterprise Module for Basesystem 15 SP7 7zip Released
SUSE Linux Enterprise Server 15 SP7 7zip Released
SUSE Linux Enterprise Server 16.0 7zip In progress
SUSE Linux Enterprise Server 16.1 7zip Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 7zip Released
SUSE Linux Enterprise Server for SAP applications 16.0 7zip Released
SUSE Linux Enterprise Server for SAP applications 16.1 7zip Affected
openSUSE Leap 16.0 7zip Affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS 7zip Released
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS 7zip Released
SUSE Linux Enterprise Server 15 SP4-LTSS 7zip Released
SUSE Linux Enterprise Server 15 SP5-LTSS 7zip Released
SUSE Linux Enterprise Server 15 SP6-LTSS 7zip Released
SUSE Linux Enterprise Server for SAP Applications 15 SP6 7zip Released
Products past their end of life and not receiving proactive updates anymore.
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS 7zip Released
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS 7zip Released
SUSE Linux Enterprise Server for SAP Applications 15 SP4 7zip Released
SUSE Linux Enterprise Server for SAP Applications 15 SP5 7zip Released
openSUSE Leap 15.4 7zip Released
openSUSE Leap 15.6 7zip Affected

SUSE Timeline for this CVE

CVE page created: Fri Jun 5 18:52:48 2026
CVE page last modified: Wed Jul 1 21:50:51 2026