CVE-2023-52556

mediumpriority · track · 0EPSS 0.001 · 4 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.14% (4th) EPSS

CVSS 6.2 · medium

Is it mine?

4 products

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · cert_bund

EPSS · scored 2026-10-27

In OpenBSD 7.4 before errata 009, a race condition between pf(4)'s processing of packets and expiration of packet states may cause a kernel panic.

cvss

Technical severity, 0–10. One row per scoring source.

6.2

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.2mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.16.2mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 2.5 · impact 3.6

v3.15.7mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

The CWE weakness classes this flaw belongs to.

Products and version ranges known to be affected.

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-0531OpenBSD: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2024-03-03csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in OpenBSD ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen.

Other names and identifiers for this entity.

Which sources assert this record, and when.

published 2024-03-01modified 2026-06-17

External citations — patches, advisories, analysis.

scry

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