| Name | CVE-2026-58042 |
| Description | A flaw in Node.js can cause dns.resolveAny() Aborts the Node.js Process When a DNS Response Contains More Than 256 A Records. Repeated triggering of this condition can lead to denial of service. This vulnerability affects Node.js **26.x**, **24.x**, and **22.x**. |
| 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) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| nodejs (PTS) | bullseye | 12.22.12~dfsg-1~deb11u4 | vulnerable |
| bullseye (security) | 12.22.12~dfsg-1~deb11u8 | vulnerable | |
| bookworm, bookworm (security) | 18.20.4+dfsg-1~deb12u2 | vulnerable | |
| trixie (security), trixie | 20.19.2+dfsg-1+deb13u2 | vulnerable | |
| forky, sid | 24.19.0+dfsg+~cs24.13.3-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| nodejs | source | (unstable) | 24.19.0+dfsg+~cs24.13.3-1 |
https://nodejs.org/en/blog/vulnerability/july-2026-security-releases#dnsresolveany-can-abort-on-dns-responses-with-many-a-records-cve-2026-58042---medium
Fixed by: https://github.com/nodejs/node/commit/22efc051a3c3b3bbddbb3cb06ce1ca5775923c01 (v22.23.2)