| Name | CVE-2026-1528 |
| Description | 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1130883 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| node-undici (PTS) | bookworm | 5.15.0+dfsg1+~cs20.10.9.3-1+deb12u4 | vulnerable |
| bookworm (security) | 5.15.0+dfsg1+~cs20.10.9.3-1+deb12u3 | vulnerable | |
| trixie | 7.3.0+dfsg1+~cs24.12.11-1 | vulnerable | |
| forky | 7.18.2+dfsg+~cs3.2.0-1 | vulnerable | |
| sid | 7.24.6+dfsg+~cs3.2.0-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| node-undici | source | (unstable) | 7.24.5+dfsg+~cs3.2.0-1 | 1130883 |
https://github.com/nodejs/undici/security/advisories/GHSA-f269-vfmq-vjvj
https://github.com/nodejs/undici/commit/5a97f0893b53ba7d1d5549d3df7e55d9c2673f89 (v6.24.0)
https://github.com/nodejs/undici/commit/84235c62e0fe7494cec13f81d5732db0859df417 (v7.24.0)