Resource exhaustion in Red Hat Enterprise Linux 10
CVE-2025-4432
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.010 (60.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
Weakness classification (CWE)
References
- access.redhat.com/security/cve/CVE-2025-4432 (vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking)
- github.com/briansmith/ring
- github.com/briansmith/ring/blob/main/RELEASES.md
- github.com/briansmith/ring/commit/ec2d3cf1d91f148c84e4806b4f0b3c98f6df3b38
- github.com/briansmith/ring/pull/2447
- rustsec.org/advisories/RUSTSEC-2025-0009.html
- github.com/advisories/GHSA-4p46-pwfr-66x6
Frequently asked questions
- What is CVE-2025-4432?
- CVE-2025-4432 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2025-05-09.
- How severe is CVE-2025-4432?
- Medium severity. CVSS v3 base score is 5.3 out of 10.