DEBIAN-CVE-2026-36499

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Source
https://security-tracker.debian.org/tracker/CVE-2026-36499
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-36499.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-36499
Upstream
  • CVE-2026-36499
Published
2026-06-04T19:16:28Z
Modified
2026-09-14T17:03:09Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Debian:12 / openvswitch

Package

Name
openvswitch
Purl
pkg:deb/debian/openvswitch?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.1.0-2
3.1.0-2+deb12u1
3.1.2-1
3.1.2-2
3.1.2-3
3.1.2-4
3.2.0-1
3.2.0-2
3.2.2~git20231029-1
3.2.2~git20231029-2
3.3.0~git20240118.e802fe7-1
3.3.0~git20240118.e802fe7-2
3.3.0~git20240118.e802fe7-3
3.3.0-1
3.3.0-2
3.3.0-3
3.3.0-4
3.3.0-5
3.3.1-1
3.4.0-1
3.5.0~git20241129.2af7cef-1
3.5.0~git20241129.2af7cef-2
3.5.0-1
3.6.0-1
3.6.0-2
3.6.0-3
3.6.0-5
3.6.0-6
3.6.0-7
3.7.0~git20260211.8c6ebf8-1~1.gbp9127d1
3.7.0~git20260211.8c6ebf8-1~1.gbp9127d2
3.7.0~git20260211.8c6ebf8-1~1.gbp9127d3
3.7.0-1
3.7.1-1
3.7.1-2
3.7.1-3
4.*
4.0.0-1
4.0.0-2

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-36499.json"

Debian:13 / openvswitch

Package

Name
openvswitch
Purl
pkg:deb/debian/openvswitch?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.5.0-1
3.6.0-1
3.6.0-2
3.6.0-3
3.6.0-5
3.6.0-6
3.6.0-7
3.7.0~git20260211.8c6ebf8-1~1.gbp9127d1
3.7.0~git20260211.8c6ebf8-1~1.gbp9127d2
3.7.0~git20260211.8c6ebf8-1~1.gbp9127d3
3.7.0-1
3.7.1-1
3.7.1-2
3.7.1-3
4.*
4.0.0-1
4.0.0-2

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-36499.json"

Debian:14 / openvswitch

Package

Name
openvswitch
Purl
pkg:deb/debian/openvswitch?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.5.0-1
3.6.0-1
3.6.0-2
3.6.0-3
3.6.0-5
3.6.0-6
3.6.0-7
3.7.0~git20260211.8c6ebf8-1~1.gbp9127d1
3.7.0~git20260211.8c6ebf8-1~1.gbp9127d2
3.7.0~git20260211.8c6ebf8-1~1.gbp9127d3
3.7.0-1
3.7.1-1
3.7.1-2
3.7.1-3
4.*
4.0.0-1
4.0.0-2

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-36499.json"