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Fencer Vulns
medium 5.3

CVE-2025-4432 json

Ring: some aes functions may panic when overflow checking is enabled in ring

published 2025-03-06 20 mo ago modified 2026-11-05 3 d ago also GHSA-4p46-pwfr-66x6 , GHSA-c86p-w88r-qvqr , GO-2025-3678 , RUSTSEC-2025-0009 , EUVD-2025-14177

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

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.

Patch / fix

  • crates.io ring 0.17.12
  • rust-ring Debian 14, Debian 13 0.17.14-1

debian advisories DEBIAN-CVE-2025-4432

  • govulncheck-vulndb openSUSE Tumbleweed 0.0.20250515T200012-1.1

opensuse advisories openSUSE-SU-2025:15135-1

  • trident Azure Linux 3.0 0.28.0-1

azure linux advisories AZL-99024

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-4432 updated cvss 5.3

ring: Some AES functions may panic when overflow checking is enabled in ring

  • Red Hat Enterprise Linux 6 firefox, thunderbird Red Hat Enterprise Linux 7 firefox, thunderbird Red Hat Enterprise Linux 8 firefox, thunderbird Red Hat Enterprise Linux 9 gjs, rust, cargo, clippy, polkit, firefox, +18 more Red Hat Enterprise Linux 10 gjs, rust, firefox, snpguest, rpm-ostree, thunderbird, +1 more Red Hat OpenShift Container Platform 4 kata-containers
    +3 more products
    Red Hat Satellite 6 python-maturin, python3.12-maturin Red Hat Trusted Artifact Signer rhtas/tuffer-rhel9, rhtas/tuftool-rhel9 Red Hat Trusted Profile Analyzer rhtpa/rhtpa-trustification-service-rhel9
    affected: no fix available “Fix deferred”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
crates.io ring
<0.17.12
>=0.0.0-0, <0.17.12
0.17.12
go github.com/briansmith/ring
all versions
 no fix listed

Affected products

  • Red Hat Red Hat Enterprise Linux 10
  • Red Hat Red Hat Enterprise Linux 6
  • Red Hat Red Hat Enterprise Linux 7
  • Red Hat Red Hat Enterprise Linux 8
  • Red Hat Red Hat Enterprise Linux 9
  • Red Hat Red Hat OpenShift Container Platform 4
  • Red Hat Red Hat Satellite 6
  • Red Hat Red Hat Trusted Artifact Signer
  • Red Hat Red Hat Trusted Profile Analyzer

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.