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SUSE 15 ocaml Important Code Execution Risk Vulnerability 2026-0800-1

suse
Calendar Grey March 4, 2026
Dist Suse Esm H88
Important security fixes for ocaml in SUSE to address code execution risk. Immediate patching recommended for affected systems.
An update that solves one vulnerability can now be installed.

Summary

## This update for ocaml fixes the following issues: * CVE-2026-28364: missing bounds validation in readblock() can lead to arbitrary code execution (bsc#1258992). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-800=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-800=1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-800=1

Topics%20covered

Topics Covered

security advisory SuSE code execution important patching OCaml

References

* bsc#1258992

Cross-

* CVE-2026-28364

CVSS scores:

* CVE-2026-28364 ( SUSE ): 7.7

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2026-28364 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-28364 ( NVD ): 7.9 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

Affected Products:

* SUSE Linux Enterprise High Performance Computing 15 SP4

* SUSE Linux Enterprise High Performance Computing 15 SP5

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

* SUSE Linux Enterprise Server 15 SP4

* SUSE Linux Enterprise Server 15 SP4 LTSS

* SUSE Linux Enterprise Server 15 SP5

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0800-1
Release Date: 2026-03-04T12:33:11Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE code execution important patching OCaml

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