| Name | CVE-2026-85557 |
| Description | Single web client not doing TLS handshake monopolizes web access |
| 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) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| pdns-recursor (PTS) | bookworm, bookworm (security) | 4.8.8-1+deb12u1 | vulnerable |
| trixie (security), trixie | 5.2.13-0+deb13u1 | vulnerable |
| forky | 5.4.6-2 | vulnerable |
| sid | 5.4.8-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| pdns-recursor | source | (unstable) | 5.4.8-1 | | | |
Notes
https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2026-12.html#cve-2026-85557-single-web-client-not-doing-tls-handshake-monopolizes-web-access