Description
Openwsman, versions up to and including 2.6.9, are vulnerable to infinite loop in process_connection() when parsing specially crafted HTTP requests. A remote, unauthenticated attacker can exploit this vulnerability by sending malicious HTTP request to cause denial of service to openwsman server.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| [UNKNOWN] | openwsman | versions up to and including 2.6.9 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | openwsman | No fix yet | — |
| Ubuntu 26.04 LTS | openwsman | No fix yet | — |
| Ubuntu 25.10 | openwsman | No fix yet | — |
| Ubuntu 24.04 LTS | openwsman | No fix yet | — |
| Ubuntu 22.04 LTS | openwsman | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | openwsman | No fix yet | — |
| Ubuntu 18.04 LTS | openwsman | No fix yet | — |
| Ubuntu 16.04 LTS | openwsman | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | libwsman1 +5 | 2.6.5-7.el8 | RHSA-2020:4689 |
| RHEL 7 | libwsman1 +7 | 2.6.3-7.git4391e5c.el7 | RHSA-2020:3940 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | libwsman1 +4 | 2.6.5-7.el8 | ALSA-2020:4689 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | openwsman | 2.6.5-7.el8_3 | RLSA-2020:4689 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | openwsman | 2.6.7-3.3.1 | SUSE-SU-2019:0654-1 |
| SLES 12 SP4 | openwsman | 2.4.11-21.8.1 | SUSE-SU-2019:0656-1 |
| SLES 12 SP3 | openwsman | 2.4.11-21.8.1 | SUSE-SU-2019:0656-1 |
| SLES 11 SP4 | openwsman | 2.2.3-0.16.8.1 | SUSE-SU-2019:13981-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP4 | openwsman | 2.4.11-21.8.1 | SUSE-SU-2019:0656-1 |
| SLES for SAP 12 SP3 | openwsman | 2.4.11-21.8.1 | SUSE-SU-2019:0656-1 |
| SLES for SAP 11 SP4 | openwsman | 2.2.3-0.16.8.1 | SUSE-SU-2019:13981-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.0 | openwsman | 2.6.7-lp150.2.3.1 | openSUSE-SU-2019:1111-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | libwsman1 +6 | 2.6.3-7.git4391e5c.amzn2 | ALAS2-2020-1540 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | openwsman | 2.6.8-13 | — |
| Azure Linux 2 (CBL-Mariner) | openwsman | 2.6.8-13 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | libwsman1 +4 | 2.6.5-7.el8 | ELSA-2020-4689 |
| Oracle Linux 7 | libwsman1 +6 | 2.6.3-7.git4391e5c.el7 | ELSA-2020-3940 |
Advisories 13
- ALSA-2020:4689 Moderate: openwsman security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2020:3940 Red Hat Security Advisory: openwsman security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2020:4689 Red Hat Security Advisory: openwsman security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RLSA-2020:4689 Moderate: openwsman security update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2019:0654-1 Security update for openwsman SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0656-1 Security update for openwsman SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:1111-1 Security update for openwsman SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:13981-1 Security update for openwsman SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2026-0012 Red Hat Enterprise Linux: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 5, 2026
- NCSC-2024-0339 Kwetsbaarheden verholpen in Microsoft Mariner NCSC-NL (Netherlands) · Aug 13, 2024
- ELSA-2020-4689 Moderate: openwsman security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 10, 2020
- ALAS2-2020-1540 Moderate: openwsman security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Oct 22, 2020
- ELSA-2020-3940 Moderate: openwsman security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 6, 2020
References
- http://bugzilla.suse.com/show_bug.cgi?id=1122623
- 107367 vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3833
- FEDORA-2019-348166f7fd vendor-advisory
- FEDORA-2019-64b384de9b vendor-advisory
- FEDORA-2019-af0cd1b8f7 vendor-advisory
- openSUSE-SU-2019:1111 vendor-advisory
- openSUSE-SU-2019:1217 vendor-advisory