Description

A flaw was found in Rust's Ring package. A panic may be triggered when overflow checking is enabled. In the QUIC protocol, this flaw allows an attacker to induce this panic by sending a specially crafted packet. It will likely occur unintentionally in 1 out of every 2**32 packets sent or received.

Classification

CVE ID: CVE-2025-4432

Affected Products

Vendor: Red Hat

Product: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4, Red Hat Satellite 6, Red Hat Trusted Artifact Signer, Red Hat Trusted Profile Analyzer

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.13% (probability of being exploited)

EPSS Percentile: 33.24% (scored less or equal to compared to others)

EPSS Date: 2025-06-07 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: none

SSVC Technical Impact: partial

SSVC Automatable: true

References

https://nvd.nist.gov/vuln/detail/CVE-2025-4432
https://access.redhat.com/security/cve/CVE-2025-4432
https://bugzilla.redhat.com/show_bug.cgi?id=2350655
https://github.com/briansmith/ring
https://github.com/briansmith/ring/blob/main/RELEASES.md#version-01712-2025-03-05
https://github.com/briansmith/ring/commit/ec2d3cf1d91f148c84e4806b4f0b3c98f6df3b38
https://github.com/briansmith/ring/pull/2447
https://rustsec.org/advisories/RUSTSEC-2025-0009.html

Timeline