PT-2026-36011 · Pf+1 · Pf+1

Igor Gabriel Sousa E Souza · Published 2026-04-29 · Updated 2026-04-30 · CVE-2026-7164

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions (affected versions not specified)

Description Incorrect packet validation allows unbounded recursion when parsing SCTP chunk parameters, which can lead to a stack overflow and system panic. Remote attackers can trigger this by crafting specific packets. This issue affects any system where pf is configured to process traffic, regardless of the active ruleset.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Uncontrolled Recursion

Weakness Enumeration

CWE-791

CWE-674

Related Identifiers

CVE-2026-7164

Affected Products

Freebsd

Pf

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-7164 · Security Note
• https://security.freebsd.org/advisories/FreeBSD-SA-26:14.pf.asc · Vendor Advisory
• https://t.me/CVEtracker/52295 · Telegram Post
• https://freebsd.org/security/advisories/FreeBSD-SA-26:14.pf.asc · Note
• https://reddit.com/r/freebsd/comments/1sz8nr3/20260429_brings_six_new_security_advisories_three · Reddit Post
• https://twitter.com/VulmonFeeds/status/2049805814320214032 · Twitter Post