CVE-2026-1528
Fixed in a distro release EPSS <1%CVSS 7.5
ImpactA server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undici's ByteParser overflows internal math, ends up in an invalid state, and throws a fatal TypeError that terminates the process. Patches Patched in the undici version v7.24.0 and v6.24.0. Users should upgrade to this version or later.
Products: undici, Red Hat Cryostat 4 on RHEL 9, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.6 Extended Update Support, Red Hat Cluster Observability Operator 1.5.0, Red Hat Developer Hub 1.8, Red Hat Developer Hub 1.9, Red Hat OpenShift AI 2.16, Red Hat OpenShift Dev Spaces 3.28, Red Hat OpenShift Pipelines 1.2, Red Hat OpenShift Lightspeed, Red Hat OpenShift Pipelines, Red Hat Developer Hub, Red Hat JBoss Enterprise Application Platform 8, Red Hat JBoss Enterprise Application Platform Expansion Pack, Red Hat OpenShift AI (RHOAI), Red Hat OpenShift Dev Spaces, Red Hat Self-service automation portal 2
Fixed upstream
| Ecosystem | Package | Fixed in |
|---|---|---|
| npm | undici | 6.24.0 |
| npm | undici | 7.24.0 |
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux 10 | nodejs-docs | 1:22.22.2-1.el10_1 |
| AlmaLinux 10 | nodejs24-docs | 1:24.14.1-2.el10_1 |
| AlmaLinux 10 | nodejs24-npm | 1:11.11.0-1.24.14.1.2.el10_1 |
| AlmaLinux 8 | nodejs | 1:24.14.1-2.module_el8.10.0+4160+4819ac42 |
| AlmaLinux 8 | nodejs | 1:22.22.2-1.module_el8.10.0+4158+e796f37f |
| AlmaLinux 8 | nodejs-devel | 1:24.14.1-2.module_el8.10.0+4160+4819ac42 |
| AlmaLinux 8 | nodejs-devel | 1:22.22.2-1.module_el8.10.0+4158+e796f37f |
| AlmaLinux 8 | nodejs-docs | 1:24.14.1-2.module_el8.10.0+4160+4819ac42 |
| AlmaLinux 8 | nodejs-docs | 1:22.22.2-1.module_el8.10.0+4158+e796f37f |
| AlmaLinux 8 | nodejs-full-i18n | 1:24.14.1-2.module_el8.10.0+4160+4819ac42 |
| AlmaLinux 8 | nodejs-full-i18n | 1:22.22.2-1.module_el8.10.0+4158+e796f37f |
| AlmaLinux 8 | nodejs-libs | 1:24.14.1-2.module_el8.10.0+4160+4819ac42 |
| AlmaLinux 8 | nodejs-libs | 1:22.22.2-1.module_el8.10.0+4158+e796f37f |
| AlmaLinux 8 | nodejs-nodemon | 3.0.1-1.module_el8.10.0+4006+3c416519 |
| AlmaLinux 8 | nodejs-nodemon | 3.0.3-1.module_el8.10.0+4061+f8ceeab9 |
| AlmaLinux 8 | nodejs-packaging | 2021.06-6.module_el8.10.0+4086+70facd4a |
| AlmaLinux 8 | nodejs-packaging | 2021.06-6.module_el8.10.0+4158+e796f37f |
| AlmaLinux 8 | nodejs-packaging-bundler | 2021.06-6.module_el8.10.0+4086+70facd4a |
| AlmaLinux 8 | nodejs-packaging-bundler | 2021.06-6.module_el8.10.0+4158+e796f37f |
| AlmaLinux 8 | npm | 1:11.11.0-1.24.14.1.2.module_el8.10.0+4160+4819ac42 |
| AlmaLinux 8 | npm | 1:10.9.7-1.22.22.2.1.module_el8.10.0+4158+e796f37f |
| AlmaLinux 8 | v8-12.4-devel | 3:12.4.254.21-1.22.22.2.1.module_el8.10.0+4158+e796f37f |
| AlmaLinux 8 | v8-13.6-devel | 3:13.6.233.17-1.24.14.1.2.module_el8.10.0+4160+4819ac42 |
| AlmaLinux 9 | nodejs | 1:24.14.1-2.module_el9.7.0+222+ef1c61e1 |
| AlmaLinux 9 | nodejs-devel | 1:24.14.1-2.module_el9.7.0+222+ef1c61e1 |
| AlmaLinux 9 | nodejs-docs | 1:24.14.1-2.module_el9.7.0+222+ef1c61e1 |
| AlmaLinux 9 | nodejs-full-i18n | 1:24.14.1-2.module_el9.7.0+222+ef1c61e1 |
| AlmaLinux 9 | nodejs-libs | 1:24.14.1-2.module_el9.7.0+222+ef1c61e1 |
| AlmaLinux 9 | nodejs-nodemon | 3.0.3-3.module_el9.7.0+209+ecf6523e |
| AlmaLinux 9 | nodejs-packaging | 2021.06-6.module_el9.7.0+209+ecf6523e |
| AlmaLinux 9 | nodejs-packaging-bundler | 2021.06-6.module_el9.7.0+198+8bf605ba |
| AlmaLinux 9 | npm | 1:11.11.0-1.24.14.1.2.module_el9.7.0+222+ef1c61e1 |
| AlmaLinux 9 | v8-13.6-devel | 3:13.6.233.17-1.24.14.1.2.module_el9.7.0+222+ef1c61e1 |
| Chainguard | code-server | 4.110.1-r2 |
| Chainguard | gemini-cli | 0.49.0-r4 |
| Chainguard | jitsucom-jitsu-console | 2.11.0-r17 |
| Chainguard | jitsucom-jitsu-rotor | 2.11.0-r17 |
| Chainguard | kibana-8.17 | 8.17.10-r13 |
| Chainguard | kibana-8.17-bitnami | 8.17.10-r13 |
| Chainguard | kibana-8.17-iamguarded | 8.17.10-r13 |
| Chainguard | kibana-8.18 | 8.18.8-r11 |
| Chainguard | kibana-8.18-bitnami | 8.18.8-r11 |
| Chainguard | kibana-8.18-iamguarded | 8.18.8-r11 |
| Chainguard | kibana-8.19 | 8.19.13-r4 |
| Chainguard | kibana-8.19-bitnami | 8.19.13-r4 |
| Chainguard | kibana-8.19-iamguarded | 8.19.13-r4 |
| Chainguard | kibana-9.0 | 9.0.8-r14 |
| Chainguard | kibana-9.0-bitnami | 9.0.8-r14 |
| Chainguard | kibana-9.0-iamguarded | 9.0.8-r14 |
| Chainguard | kibana-9.1 | 9.1.10-r7 |
| Chainguard | kibana-9.1-iamguarded | 9.1.10-r7 |
| Chainguard | kibana-9.2 | 9.2.7-r0 |
| Chainguard | kibana-9.2 | 9.2.6-r3 |
| Chainguard | kibana-9.2-iamguarded | 9.2.6-r3 |
| Chainguard | kibana-9.3 | 9.3.2-r0 |
| Chainguard | kibana-9.3-iamguarded | 9.3.1-r2 |
| Chainguard | kibana-9.3-iamguarded | 9.3.2-r0 |
| Chainguard | langfuse-3-worker | 3.179.1-r1 |
| Chainguard | langfuse-fips-3-worker | 3.179.1-r1 |
| Chainguard | langfuse-fips-3.152-worker | no fix |
| Chainguard | librechat | 0.8.4-r3 |
| Chainguard | pelias-api | 7.6.0-r4 |
| Chainguard | renovate | 43.84.0-r1 |
| Debian 13 | node-undici | no fix |
| Debian 14 | node-undici | 7.24.5+dfsg+~cs3.2.0-1 |
| Red Hat Enterprise Linux 10.1 | nodejs | 1:22.22.2-1.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs-debuginfo | 1:22.22.2-1.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs-devel | 1:22.22.2-1.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs-docs | 1:22.22.2-1.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs-full-i18n | 1:22.22.2-1.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs-libs | 1:22.22.2-1.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs-libs-debuginfo | 1:22.22.2-1.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs-npm | 1:10.9.7-1.22.22.2.1.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs22 | 1:22.22.2-1.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs22-debuginfo | 1:22.22.2-1.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs22-debugsource | 1:22.22.2-1.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs24 | 1:24.14.1-2.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs24-debuginfo | 1:24.14.1-2.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs24-debugsource | 1:24.14.1-2.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs24-devel | 1:24.14.1-2.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs24-docs | 1:24.14.1-2.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs24-full-i18n | 1:24.14.1-2.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs24-libs | 1:24.14.1-2.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs24-libs-debuginfo | 1:24.14.1-2.el10_1 |
| Red Hat Enterprise Linux 10.1 | nodejs24-npm | 1:11.11.0-1.24.14.1.2.el10_1 |
| Red Hat Enterprise Linux 8 | nodejs | 1:22.22.2-1.module+el8.10.0+24148+847b6786 |
| Red Hat Enterprise Linux 8 | nodejs | 1:24.14.1-2.module+el8.10.0+24190+49a46c75 |
| Red Hat Enterprise Linux 8 | nodejs-debuginfo | 1:22.22.2-1.module+el8.10.0+24148+847b6786 |
| Red Hat Enterprise Linux 8 | nodejs-debuginfo | 1:24.14.1-2.module+el8.10.0+24190+49a46c75 |
| Red Hat Enterprise Linux 8 | nodejs-debugsource | 1:24.14.1-2.module+el8.10.0+24190+49a46c75 |
| Red Hat Enterprise Linux 8 | nodejs-debugsource | 1:22.22.2-1.module+el8.10.0+24148+847b6786 |
| Red Hat Enterprise Linux 8 | nodejs-devel | 1:22.22.2-1.module+el8.10.0+24148+847b6786 |
| Red Hat Enterprise Linux 8 | nodejs-devel | 1:24.14.1-2.module+el8.10.0+24190+49a46c75 |
| Red Hat Enterprise Linux 8 | nodejs-docs | 1:22.22.2-1.module+el8.10.0+24148+847b6786 |
| Red Hat Enterprise Linux 8 | nodejs-docs | 1:24.14.1-2.module+el8.10.0+24190+49a46c75 |
| Red Hat Enterprise Linux 8 | nodejs-full-i18n | 1:22.22.2-1.module+el8.10.0+24148+847b6786 |
| Red Hat Enterprise Linux 8 | nodejs-full-i18n | 1:24.14.1-2.module+el8.10.0+24190+49a46c75 |
| Red Hat Enterprise Linux 8 | nodejs-libs | 1:24.14.1-2.module+el8.10.0+24190+49a46c75 |
| Red Hat Enterprise Linux 8 | nodejs-libs | 1:22.22.2-1.module+el8.10.0+24148+847b6786 |
| Red Hat Enterprise Linux 8 | nodejs-libs-debuginfo | 1:22.22.2-1.module+el8.10.0+24148+847b6786 |
| Red Hat Enterprise Linux 8 | nodejs-libs-debuginfo | 1:24.14.1-2.module+el8.10.0+24190+49a46c75 |
| Red Hat Enterprise Linux 8 | nodejs-nodemon | 0:3.0.3-1.module+el8.10.0+24190+49a46c75 |
| Red Hat Enterprise Linux 8 | nodejs-nodemon | 0:3.0.1-1.module+el8.10.0+24148+847b6786 |
| Red Hat Enterprise Linux 8 | nodejs-packaging | 0:2021.06-6.module+el8.10.0+24190+49a46c75 |
| Red Hat Enterprise Linux 8 | nodejs-packaging | 0:2021.06-6.module+el8.10.0+24148+847b6786 |
| Red Hat Enterprise Linux 8 | nodejs-packaging-bundler | 0:2021.06-6.module+el8.10.0+24190+49a46c75 |
| Red Hat Enterprise Linux 8 | nodejs-packaging-bundler | 0:2021.06-6.module+el8.10.0+24148+847b6786 |
| Red Hat Enterprise Linux 8 | npm | 1:10.9.7-1.22.22.2.1.module+el8.10.0+24148+847b6786 |
| Red Hat Enterprise Linux 8 | npm | 1:11.11.0-1.24.14.1.2.module+el8.10.0+24190+49a46c75 |
| Red Hat Enterprise Linux 8 | v8-12.4-devel | 3:12.4.254.21-1.22.22.2.1.module+el8.10.0+24148+847b6786 |
| Red Hat Enterprise Linux 8 | v8-13.6-devel | 3:13.6.233.17-1.24.14.1.2.module+el8.10.0+24190+49a46c75 |
| Red Hat Enterprise Linux 9 | nodejs | 1:24.14.1-2.module+el9.7.0+24166+51c9666b |
| Red Hat Enterprise Linux 9 | nodejs | 1:22.22.2-1.module+el9.7.0+24157+8ddb2461 |
| Red Hat Enterprise Linux 9 | nodejs-debuginfo | 1:22.22.2-1.module+el9.7.0+24157+8ddb2461 |
| Red Hat Enterprise Linux 9 | nodejs-debuginfo | 1:24.14.1-2.module+el9.7.0+24166+51c9666b |
| Red Hat Enterprise Linux 9 | nodejs-debugsource | 1:22.22.2-1.module+el9.7.0+24157+8ddb2461 |
| Red Hat Enterprise Linux 9 | nodejs-debugsource | 1:24.14.1-2.module+el9.7.0+24166+51c9666b |
| Red Hat Enterprise Linux 9 | nodejs-devel | 1:24.14.1-2.module+el9.7.0+24166+51c9666b |
| Red Hat Enterprise Linux 9 | nodejs-devel | 1:22.22.2-1.module+el9.7.0+24157+8ddb2461 |
| Red Hat Enterprise Linux 9 | nodejs-docs | 1:22.22.2-1.module+el9.7.0+24157+8ddb2461 |
| Red Hat Enterprise Linux 9 | nodejs-docs | 1:24.14.1-2.module+el9.7.0+24166+51c9666b |
| Red Hat Enterprise Linux 9 | nodejs-full-i18n | 1:22.22.2-1.module+el9.7.0+24157+8ddb2461 |
| Red Hat Enterprise Linux 9 | nodejs-full-i18n | 1:24.14.1-2.module+el9.7.0+24166+51c9666b |
| Red Hat Enterprise Linux 9 | nodejs-libs | 1:24.14.1-2.module+el9.7.0+24166+51c9666b |
| Red Hat Enterprise Linux 9 | nodejs-libs | 1:22.22.2-1.module+el9.7.0+24157+8ddb2461 |
| Red Hat Enterprise Linux 9 | nodejs-libs-debuginfo | 1:22.22.2-1.module+el9.7.0+24157+8ddb2461 |
| Red Hat Enterprise Linux 9 | nodejs-libs-debuginfo | 1:24.14.1-2.module+el9.7.0+24166+51c9666b |
| Red Hat Enterprise Linux 9 | nodejs-nodemon | 0:3.0.3-3.module+el9.7.0+24166+51c9666b |
| Red Hat Enterprise Linux 9 | nodejs-nodemon | 0:3.0.1-1.module+el9.7.0+24157+8ddb2461 |
| Red Hat Enterprise Linux 9 | nodejs-packaging | 0:2021.06-6.module+el9.7.0+24157+8ddb2461 |
| Red Hat Enterprise Linux 9 | nodejs-packaging | 0:2021.06-6.module+el9.7.0+24166+51c9666b |
| Red Hat Enterprise Linux 9 | nodejs-packaging-bundler | 0:2021.06-6.module+el9.7.0+24157+8ddb2461 |
| Red Hat Enterprise Linux 9 | nodejs-packaging-bundler | 0:2021.06-6.module+el9.7.0+24166+51c9666b |
| Red Hat Enterprise Linux 9 | npm | 1:11.11.0-1.24.14.1.2.module+el9.7.0+24166+51c9666b |
| Red Hat Enterprise Linux 9 | npm | 1:10.9.7-1.22.22.2.1.module+el9.7.0+24157+8ddb2461 |
| Red Hat Enterprise Linux 9 | v8-12.4-devel | 3:12.4.254.21-1.22.22.2.1.module+el9.7.0+24157+8ddb2461 |
| Red Hat Enterprise Linux 9 | v8-13.6-devel | 3:13.6.233.17-1.24.14.1.2.module+el9.7.0+24166+51c9666b |
| Red Hat Enterprise Linux eus 10.0 | nodejs | 1:22.22.2-2.el10_0 |
| Red Hat Enterprise Linux eus 10.0 | nodejs-debuginfo | 1:22.22.2-2.el10_0 |
| Red Hat Enterprise Linux eus 10.0 | nodejs-devel | 1:22.22.2-2.el10_0 |
| Red Hat Enterprise Linux eus 10.0 | nodejs-docs | 1:22.22.2-2.el10_0 |
| Red Hat Enterprise Linux eus 10.0 | nodejs-full-i18n | 1:22.22.2-2.el10_0 |
| Red Hat Enterprise Linux eus 10.0 | nodejs-libs | 1:22.22.2-2.el10_0 |
| Red Hat Enterprise Linux eus 10.0 | nodejs-libs-debuginfo | 1:22.22.2-2.el10_0 |
| Red Hat Enterprise Linux eus 10.0 | nodejs-npm | 1:10.9.7-1.22.22.2.2.el10_0 |
| Red Hat Enterprise Linux eus 10.0 | nodejs22 | 1:22.22.2-2.el10_0 |
| Red Hat Enterprise Linux eus 10.0 | nodejs22-debuginfo | 1:22.22.2-2.el10_0 |
| Red Hat Enterprise Linux eus 10.0 | nodejs22-debugsource | 1:22.22.2-2.el10_0 |
| Red Hat rhel eus 9.6 | nodejs | 1:22.22.2-1.module+el9.6.0+24196+39669d4e |
| Red Hat rhel eus 9.6 | nodejs-debuginfo | 1:22.22.2-1.module+el9.6.0+24196+39669d4e |
| Red Hat rhel eus 9.6 | nodejs-debugsource | 1:22.22.2-1.module+el9.6.0+24196+39669d4e |
| Red Hat rhel eus 9.6 | nodejs-devel | 1:22.22.2-1.module+el9.6.0+24196+39669d4e |
| Red Hat rhel eus 9.6 | nodejs-docs | 1:22.22.2-1.module+el9.6.0+24196+39669d4e |
| Red Hat rhel eus 9.6 | nodejs-full-i18n | 1:22.22.2-1.module+el9.6.0+24196+39669d4e |
| Red Hat rhel eus 9.6 | nodejs-libs | 1:22.22.2-1.module+el9.6.0+24196+39669d4e |
| Red Hat rhel eus 9.6 | nodejs-libs-debuginfo | 1:22.22.2-1.module+el9.6.0+24196+39669d4e |
| Red Hat rhel eus 9.6 | nodejs-nodemon | 0:3.0.1-1.module+el9.6.0+23473+45664c2d |
| Red Hat rhel eus 9.6 | nodejs-packaging | 0:2021.06-4.module+el9.6.0+23473+45664c2d |
| Red Hat rhel eus 9.6 | nodejs-packaging-bundler | 0:2021.06-4.module+el9.6.0+23473+45664c2d |
| Red Hat rhel eus 9.6 | npm | 1:10.9.7-1.22.22.2.1.module+el9.6.0+24196+39669d4e |
| Red Hat rhel eus 9.6 | v8-12.4-devel | 3:12.4.254.21-1.22.22.2.1.module+el9.6.0+24196+39669d4e |
| Rocky Linux 10 | nodejs22 | 1:22.22.2-1.el10_1 |
| Rocky Linux 10 | nodejs24 | 1:24.14.1-2.el10_1 |
| Rocky Linux 8 | nodejs-nodemon | 0:3.0.1-1.module+el8.10.0+1823+b5789597 |
| Rocky Linux 8 | nodejs-nodemon | 0:3.0.1-1.module+el8.10.0+1824+532140ee |
| Rocky Linux 8 | nodejs-nodemon | 0:3.0.3-1.module+el8.10.0+2084+ab509703 |
| Rocky Linux 8 | nodejs-nodemon | 0:3.0.1-1.module+el8.10.0+1989+e60144d9 |
| Rocky Linux 8 | nodejs-nodemon | 0:3.0.1-1.module+el8.10.0+1666+930e28e8 |
| Rocky Linux 8 | nodejs-nodemon | 0:3.0.1-1.module+el8.9.0+1760+903d54b9 |
| Rocky Linux 8 | nodejs-nodemon | 0:3.0.1-1.module+el8.10.0+1667+4a788d89 |
| Rocky Linux 8 | nodejs-nodemon | 0:3.0.1-1.module+el8.10.0+1935+d3cbe60f |
| Rocky Linux 8 | nodejs-nodemon | 0:3.0.1-1.module+el8.10.0+1924+614dc87f |
| Rocky Linux 8 | nodejs-nodemon | 0:3.0.1-1.module+el8.10.0+1988+437f3d23 |
| Rocky Linux 8 | nodejs-packaging | 0:2021.06-6.module+el8.10.0+40048+6d99f608 |
| Rocky Linux 9 | nodejs-nodemon | 0:3.0.1-1.module+el9.7.0+40018+a011993d |
| Rocky Linux 9 | nodejs-nodemon | 0:3.0.3-3.module+el9.7.0+40025+0e0cf6b2 |
| Rocky Linux 9 | nodejs-nodemon | 0:3.0.1-1.module+el9.7.0+40022+9ecc286c |
| Rocky Linux 9 | nodejs-nodemon | 0:3.0.1-1.module+el9.7.0+40017+f0db1785 |
| Rocky Linux 9 | nodejs-packaging | 0:2021.06-6.module+el9.7.0+40052+e32ea525 |
| Ubuntu 24.04 LTS | node-undici | no fix |
| Ubuntu 25.10 | node-undici | no fix |
| Ubuntu 26.04 LTS | node-undici | no fix |
| Ubuntu 26.10 | node-undici | no fix |
| Wolfi | code-server | 4.110.1-r2 |
| Wolfi | jitsucom-jitsu-console | 2.11.0-r17 |
| Wolfi | jitsucom-jitsu-rotor | 2.11.0-r17 |
| Wolfi | langfuse-3-worker | 3.179.1-r1 |
| Wolfi | renovate | 43.84.0-r1 |