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No exploitation reportedFix available

CVE-2025-4432

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

No exploitation reported by the sources we read.

  • Published2025-05-09
  • Fixed in0.17.12
  • WeaknessCWE-770

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2025-05-0916:06CVE publishedCNA

Versions per branch

OSV
ring
BranchAffectedFixed in
0.x≥ 0.0.0-0, < 0.17.120.17.12
0.17< 0.17.120.17.12
briansmith/ring
BranchAffectedFixed in
—all versionsno fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA30 products

As redhat, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

24 more products in the CVE record.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-05

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • atuinWolfiall versions · fixed in 18.4.0-r1
  • atuinChainguardall versions · fixed in 18.4.0-r1
  • buck2Wolfiall versions · fixed in 20251101-r0
  • buck2Chainguardall versions · fixed in 20251101-r0
  • cargo-auditWolfiall versions · fixed in 0.21.2-r1
  • cargo-auditWolfiall versions · fixed in 0.21.2-r4
  • cargo-auditChainguardall versions · fixed in 0.21.2-r1
  • cargo-auditChainguardall versions · fixed in 0.21.2-r4

99 more package ranges on OSV.dev

Full record on NVD

Fix

  1. Update ring to 0.17.12

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Published
2025-05-09
Last Modified
2026-11-05
NVD status
Deferred
GitHub Advisory
GHSA-4p46-pwfr-66x6

Frequently asked questions

What is 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.

Is CVE-2025-4432 actively exploited?

Active exploitation of CVE-2025-4432 has not been confirmed. Its EPSS score was 1.0% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-4432?

CVE-2025-4432 has a CVSS v3 base score of 5.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

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Sources for this record