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Fencer Intel
medium 5.0

CVE-2014-3488 json

Denial of service in Netty

published 12y ago modified 4mo ago also GHSA-9959-6p3m-wxpc , EUVD-2020-0475

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.2%
EPSS 4.2% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

The SslHandler in Netty before 3.9.2 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a crafted SSLv2Hello message.

Patch / fix

  • maven io.netty:netty-handler 3.9.2

Is CVE-2014-3488 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

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-2014-3488 updated cvss 7.8

Netty: DoS by CPU exhaustion when using malicious SSL packets

  • Red Hat BPM Suite 6 netty netty Red Hat JBoss BRMS 6 netty netty Red Hat JBoss Enterprise Application Platform 5 netty netty Red Hat JBoss Enterprise Application Platform 6 netty netty Red Hat JBoss Fuse Service Works 6 netty netty Red Hat JBoss Portal 5 netty netty
    +4 more products
    Red Hat JBoss Portal 6 netty netty Red Hat Satellite 6 netty Red Hat Software Collections thermostat1-netty, thermostat1-netty-javadoc Red Hat Subscription Asset Manager netty
    not affected: vulnerable code not present

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

Exploit prediction

4.22% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/netty/netty/issues/2562 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected packages

ecosystem package affected fixed in
maven io.netty:netty-handler
<3.9.2
3.9.2

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel 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.