| Name | CVE-2026-36499 |
| Description | A missing upper-bound check in the udpif_set_threads() function of Open vSwitch v3.6.90 allows an attacker with OVSDB write access to request an excessive number of handler or revalidation threads. This can cause a denial of service (DoS) via resource exhaustion. |
| 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 |
|---|
| openvswitch (PTS) | bullseye (security), bullseye | 2.15.0+ds1-2+deb11u5 | undetermined |
| bookworm, bookworm (security) | 3.1.0-2+deb12u1 | undetermined |
| trixie | 3.5.0-1 | undetermined |
| forky, sid | 3.7.1-2 | undetermined |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| openvswitch | source | (unstable) | undetermined | | | |
Notes
https://github.com/majdlatah/OVS-Other-Config-Bug
check, unclear status/validity