USN-8654-1: netty Ubuntu

Published
Published 20-08-2026Last modified 26-08-2026

Vulnerability summary

USN-8654-1 is a vulnerability in netty Ubuntu with no CVSS score yet.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS scoreNot scoredRisk metrics not yet published.
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 2 · Downstream 0 · Related 2
CVE-2025-55163CVE-2025-67735

Timeline

  1. 20-08-2026
    PublishedVulnerability first disclosed.
  2. 26-08-2026
    Last modifiedVulnerability information updated.

Description

netty vulnerabilities It was discovered that Netty did not properly handle malformed HTTP/2 control frames. An attacker could use this to cause a denial of service via resource exhaustion. This issue only affects Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. (CVE-2025-55163) It was discovered that Netty did not properly validate the request URI for line-break characters. An attacker could use this to perform CRLF injection and request smuggling. (CVE-2025-67735)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: not stated in public data.

Ubuntu1 product
  • netty< 1:4.0.34-1ubuntu0.1~esm5 | < 1:4.1.7-4ubuntu0.1+esm7 | < 1:4.1.45-1ubuntu0.1~esm7 | < 1:4.1.48-4+deb11u2ubuntu0.2 | < 1:4.1.48-9ubuntu0.2

1 vendor · 1 product

References

3 links