SUSE-SU-2026:2118-1 | Mondoo Vulnerability Intelligence

SUSE-SU-2026:2118-1

HIGH7.4

Security update for xz

Published May 29, 2026

Modified 1 weeks ago

Fix available

Details

Description of the patch:

This update for xz fixes the following issue

CVE-2026-34743: buffer overflow in lzma_index_append() (bsc#1261280).

Affected Packages

liblzma5

SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP4-LTSSSUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Micro 5.3

Fixed in:

5.2.3-150000.4.10.1

liblzma5-32bit

SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP4-LTSSSUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Server 15 SP4-LTSS

Fixed in:

5.2.3-150000.4.10.1

xz

SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP4-LTSSSUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Micro 5.3

Fixed in:

5.2.3-150000.4.10.1

xz-devel

SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP4-LTSSSUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Server 15 SP4-LTSS

Fixed in:

5.2.3-150000.4.10.1

xz-lang

SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP4-LTSSSUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Server 15 SP4-LTSS

Fixed in:

5.2.3-150000.4.10.1

xz-static-devel

SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP4-LTSSSUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Server 15 SP4-LTSS

Fixed in:

5.2.3-150000.4.10.1

References

https://bugzilla.suse.com/1261280

https://lists.suse.com/pipermail/sle-security-updates/2026-May/026391.html

https://www.suse.com/security/cve/CVE-2026-34743/

https://www.suse.com/support/security/rating/

https://www.suse.com/support/update/announcement/2026/suse-su-20262118-1/

CVSS Analysis

CVSS v3.1

7.4

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

HighAC:H

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

7.4/CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Upstream

Ecosystems(11)

SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS SUSE Linux Enterprise Micro 5.3

Timeline

PublishedMay 29, 2026

ModifiedMay 29, 2026