ESB-2026.3764 — Vulnetix

ESB-2026.3764 PUBLISHED CVSS 7.5 HIGH

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.3764 Security update for nodejs20 16 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: nodejs20 Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2026-21710 CVE-2026-21713 CVE-2026-21714 CVE-2026-21715 CVE-2026-21716 CVE-2026-21717 CVE-2024-36137 CVE-2026-21637 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-20261371-1 Comment: CVSS (Max): 7.5 CVE-2026-21710 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H EPSS (Max): 0.1% (23rd) CVE-2024-36137 2026-04-15 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for nodejs20 Announcement ID: SUSE-SU-2026:1371-1 Release Date: 2026-04-15T14:46:55Z Rating: important o bsc#1256576 o bsc#1260455 o bsc#1260462 References: o bsc#1260463 o bsc#1260480 o bsc#1260482 o bsc#1260494 o CVE-2026-21637 o CVE-2026-21710 o CVE-2026-21713 Cross-References: o CVE-2026-21714 o CVE-2026-21715 o CVE-2026-21716 o CVE-2026-21717 o CVE-2026-21637 ( SUSE ): 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N /UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N o CVE-2026-21637 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:N/I:N/A:L o CVE-2026-21637 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2026-21637 ( NVD ): 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2026-21710 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N /UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N o CVE-2026-21710 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:N/I:N/A:H o CVE-2026-21710 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2026-21713 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:H/AT:P/PR:N /UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N o CVE-2026-21713 ( SUSE ): 5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N /S:U/C:L/I:L/A:L o CVE-2026-21713 ( NVD ): 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/ S:U/C:H/I:N/A:N o CVE-2026-21714 ( SUSE ): 8.2 CVSS:4.0/AV:N/AC:H/AT:N/PR:N /UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS scores: o CVE-2026-21714 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N /S:U/C:N/I:N/A:H o CVE-2026-21714 ( NVD ): 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:L o CVE-2026-21715 ( SUSE ): 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L /UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N o CVE-2026-21715 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N /S:U/C:L/I:N/A:N o CVE-2026-21715 ( NVD ): 3.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/ S:U/C:L/I:N/A:N o CVE-2026-21716 ( SUSE ): 2.0 CVSS:4.0/AV:L/AC:L/AT:P/PR:L /UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N o CVE-2026-21716 ( SUSE ): 4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N /S:U/C:L/I:L/A:N o CVE-2026-21716 ( NVD ): 3.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/ S:U/C:N/I:L/A:N o CVE-2026-21717 ( SUSE ): 7.2 CVSS:4.0/AV:L/AC:H/AT:N/PR:L /UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N o CVE-2026-21717 ( SUSE ): 6.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N /S:U/C:H/I:H/A:N o CVE-2026-21717 ( NVD ): 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/ S:U/C:N/I:N/A:H o openSUSE Leap 15.5 o SUSE Linux Enterprise High Performance Computing 15 SP5 o SUSE Linux Enterprise High Performance Computing ESPOS 15 Affected SP5 Products: o SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 o SUSE Linux Enterprise Server 15 SP5 o SUSE Linux Enterprise Server 15 SP5 LTSS o SUSE Linux Enterprise Server for SAP Applications 15 SP5 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. o 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). o 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). o 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). o 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). o 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). o CVE-2026-21710: uncaught TypeError when handling HTTP requests allows for a process crash via requests with a header named __proto__ when the application accesses req.headersDistinct (bsc#1260455). o CVE-2026-21637: flaw in TLS error handling allows for resource exhaustion and crash when pskCallback or ALPNCallback are in use (bsc#1256576). 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: o openSUSE Leap 15.5 zypper in -t patch SUSE-2026-1371=1 o SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1371=1 o SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1371=1 o SUSE Linux Enterprise Server 15 SP5 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1371=1 o 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: o 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 o openSUSE Leap 15.5 (noarch) nodejs20-docs-20.20.2-150500.11.27.1 o 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 o SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch) nodejs20-docs-20.20.2-150500.11.27.1 o 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 o SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch) nodejs20-docs-20.20.2-150500.11.27.1 o SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x 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 o SUSE Linux Enterprise Server 15 SP5 LTSS (noarch) nodejs20-docs-20.20.2-150500.11.27.1 o SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le 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 o SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch) nodejs20-docs-20.20.2-150500.11.27.1 References: o https://www.suse.com/security/cve/CVE-2026-21637.html o https://www.suse.com/security/cve/CVE-2026-21710.html o https://www.suse.com/security/cve/CVE-2026-21713.html o https://www.suse.com/security/cve/CVE-2026-21714.html o https://www.suse.com/security/cve/CVE-2026-21715.html o https://www.suse.com/security/cve/CVE-2026-21716.html o https://www.suse.com/security/cve/CVE-2026-21717.html o https://bugzilla.suse.com/show_bug.cgi?id=1256576 o https://bugzilla.suse.com/show_bug.cgi?id=1260455 o https://bugzilla.suse.com/show_bug.cgi?id=1260462 o https://bugzilla.suse.com/show_bug.cgi?id=1260463 o https://bugzilla.suse.com/show_bug.cgi?id=1260480 o https://bugzilla.suse.com/show_bug.cgi?id=1260482 o https://bugzilla.suse.com/show_bug.cgi?id=1260494 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. 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Risk Scores

CVSS v3.1

7.5

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

Affected Products

Vendor	Product	Versions
SUSE	nodejs20

Timeline

Apr 16, 2026 CVE Published

References

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