Alerts This Week
Warning Icon 1 640
Alerts This Week
Warning Icon 1 640

openSUSE Curl Important Netrc Credential Leak Advisory SUSE-SU-2026-1717-1

opensuse
Calendar Grey May 6, 2026
Dist Opensuse Esm H88
A security update for openSUSE curl addressing multiple important vulnerabilities is now available for installation.
An update that solves six vulnerabilities can now be installed.

Description

This update for curl fixes the following issues:

Security issues fixed:

* CVE-2026-4873: connection reuse ignores TLS requirement (bsc#1262631).

* CVE-2026-5545: wrong reuse of HTTP Negotiate connection (bsc#1262632).

* CVE-2026-6253: proxy credentials leak over redirect-to proxy (bsc#1262635).

* CVE-2026-6276: stale custom cookie host causes cookie leak (bsc#1262636).

* CVE-2026-6429: netrc credential leak with reused proxy connection

(bsc#1262638).

Other updates and bugfixes:

* sws: prevent "connection monitor" to say disconnect twice (bsc#1259362).

Topics%20covered

Topics Covered

security advisory important curl credential leak OpenSUSE connection reuse

Patch

## 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 15 SP5

zypper in -t patch SUSE-SLE-INSTALLER-15-SP5-2026-1717=1

* SUSE Linux Enterprise Server 15 SP5

zypper in -t patch SUSE-SLE-INSTALLER-15-SP5-2026-1717=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

zypper in -t patch SUSE-SLE-INSTALLER-15-SP5-2026-1717=1 SUSE-SLE-Product-

SLES_SAP-15-SP5-2026-1717=1

* SUSE Linux Enterprise Desktop 15 SP5

zypper in -t patch SUSE-SLE-INSTALLER-15-SP5-2026-1717=1

* SUSE Linux Enterprise Micro for Rancher 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2026-1717=1

* SUSE Linux Enterprise Micro 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2026-1717=1

* SUSE Linux Enterprise Micro for Rancher 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2026-1717=1

* SUSE Linux Enterprise Micro 5.4

zypper in -t patch...

Read the Full Advisory

Package List

* SUSE Linux Enterprise High Performance Computing 15 SP5 (aarch64 x86_64)

* libcurl4-8.14.1-150400.5.83.1

* SUSE Linux Enterprise Server 15 SP5 (aarch64 ppc64le s390x x86_64)

* libcurl4-8.14.1-150400.5.83.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)

* libcurl-devel-8.14.1-150400.5.83.1

* libcurl4-8.14.1-150400.5.83.1

* curl-debugsource-8.14.1-150400.5.83.1

* curl-debuginfo-8.14.1-150400.5.83.1

* libcurl4-debuginfo-8.14.1-150400.5.83.1

* curl-8.14.1-150400.5.83.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5 (x86_64)

* libcurl4-32bit-debuginfo-8.14.1-150400.5.83.1

* libcurl4-32bit-8.14.1-150400.5.83.1

* SUSE Linux Enterprise Desktop 15 SP5 (x86_64)

* libcurl4-8.14.1-150400.5.83.1

* SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)

* libcurl4-8.14.1-150400.5.83.1

* curl-debugsource-8.14.1-150400.5.83.1

* curl-debuginfo-8.14.1-150400.5.83.1

* libcurl4-debuginfo-8.14.1-150400.5.83.1

* curl-8.14.1-150400.5.83.1

* SUSE Linux Enterprise Micro 5.3...

Read the Full Advisory

References

* bsc#1259362

* bsc#1262631

* bsc#1262632

* bsc#1262635

* bsc#1262636

* bsc#1262638

## References:

* https://www.suse.com/security/cve/CVE-2026-1965.html

* https://www.suse.com/security/cve/CVE-2026-4873.html

* https://www.suse.com/security/cve/CVE-2026-5545.html

* https://www.suse.com/security/cve/CVE-2026-6253.html

* https://www.suse.com/security/cve/CVE-2026-6276.html

* https://www.suse.com/security/cve/CVE-2026-6429.html

* https://bugzilla.suse.com/show_bug.cgi?id=1259362

* https://bugzilla.suse.com/show_bug.cgi?id=1262631

* https://bugzilla.suse.com/show_bug.cgi?id=1262632

* https://bugzilla.suse.com/show_bug.cgi?id=1262635

* https://bugzilla.suse.com/show_bug.cgi?id=1262636

* https://bugzilla.suse.com/show_bug.cgi?id=1262638

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1717-1
Release Date: 2026-05-06T12:14:02Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise Desktop 15 SP4 * SUSE Linux Enterprise Desktop 15 SP5 * 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 Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Micro for Rancher 5.3 * SUSE Linux Enterprise Micro for Rancher 5.4 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 * SUSE Manager Proxy 4.3 * SUSE Manager Retail Branch Server 4.3 * SUSE Manager Server 4.3

Topics%20covered

Topics Covered

security advisory important curl credential leak OpenSUSE connection reuse

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here