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openSUSE 2026-1371-1 nodejs20 Important Resource Exhaustion Issues

opensuse
Calendar Grey April 15, 2026
Dist Opensuse Esm H88
An important security advisory about seven vulnerabilities in nodejs20 on openSUSE. Install updates for strong protection.
An update that solves seven vulnerabilities can now be installed.

Description

This update for nodejs20 fixes the following issues:

Update to version 20.20.2.

* CVE-2026-21717: trivially predictable hash collisions due to flaw in V8's

string hashing mechanism allows for performance degradation via a crafted

request (bsc#1260494).

* CVE-2026-21716: incomplete fix for CVE-2024-36137 allows promise-based

FileHandle methods to be used to modify file permissions and ownership on

already-open file descriptors (bsc#1260462).

* CVE-2026-21715: flaw in the Permission Model filesystem enforcement allows

for file existence disclosure and filesystem path enumeration via

`fs.realpathSync.native()` (bsc#1260482).

* CVE-2026-21714: memory leak in Node.js HTTP/2 server allows for resource

exhaustion via `WINDOW_UPDATE` frames sent on stream 0 (bsc#1260480).

* CVE-2026-21713: timing side-channel due to flaw in Node.js HMAC verification

allows for discovery of HMAC values and potential MAC forgery (bsc#1260463).

* CVE-2026-21710:...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory important OpenSUSE resource exhaustion performance degradation nodejs20

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:

* openSUSE Leap 15.5

zypper in -t patch SUSE-2026-1371=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1371=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1371=1

* SUSE Linux Enterprise Server 15 SP5 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1371=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1371=1

Package List

* openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)

* nodejs20-debuginfo-20.20.2-150500.11.27.1

* nodejs20-devel-20.20.2-150500.11.27.1

* corepack20-20.20.2-150500.11.27.1

* nodejs20-20.20.2-150500.11.27.1

* nodejs20-debugsource-20.20.2-150500.11.27.1

* npm20-20.20.2-150500.11.27.1

* openSUSE Leap 15.5 (noarch)

* nodejs20-docs-20.20.2-150500.11.27.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64

x86_64)

* nodejs20-debuginfo-20.20.2-150500.11.27.1

* nodejs20-devel-20.20.2-150500.11.27.1

* nodejs20-debugsource-20.20.2-150500.11.27.1

* npm20-20.20.2-150500.11.27.1

* nodejs20-20.20.2-150500.11.27.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch)

* nodejs20-docs-20.20.2-150500.11.27.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64

x86_64)

* nodejs20-debuginfo-20.20.2-150500.11.27.1

* nodejs20-devel-20.20.2-150500.11.27.1

* nodejs20-debugsource-20.20.2-150500.11.27.1

* npm20-20.20.2-150500.11.27.1

* nodejs20-20.20.2-150500.11.27.1

*...

Read the Full Advisory

References

* bsc#1256576

* bsc#1260455

* bsc#1260462

* bsc#1260463

* bsc#1260480

* bsc#1260482

* bsc#1260494

## References:

* https://www.suse.com/security/cve/CVE-2026-21637.html

* https://www.suse.com/security/cve/CVE-2026-21710.html

* https://www.suse.com/security/cve/CVE-2026-21713.html

* https://www.suse.com/security/cve/CVE-2026-21714.html

* https://www.suse.com/security/cve/CVE-2026-21715.html

* https://www.suse.com/security/cve/CVE-2026-21716.html

* https://www.suse.com/security/cve/CVE-2026-21717.html

* https://bugzilla.suse.com/show_bug.cgi?id=1256576

* https://bugzilla.suse.com/show_bug.cgi?id=1260455

* https://bugzilla.suse.com/show_bug.cgi?id=1260462

* https://bugzilla.suse.com/show_bug.cgi?id=1260463

* https://bugzilla.suse.com/show_bug.cgi?id=1260480

* https://bugzilla.suse.com/show_bug.cgi?id=1260482

* https://bugzilla.suse.com/show_bug.cgi?id=1260494

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1371-1
Release Date: 2026-04-15T14:46:55Z
Affected Products: * openSUSE Leap 15.5 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP5

Topics%20covered

Topics Covered

security advisory important OpenSUSE resource exhaustion performance degradation nodejs20

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