Netty: DoS by CPU exhaustion when using malicious SSL packets
Published Jul 31, 2014
5.0
MEDIUMCVSS 2.0
EPSS 4.22%
Description
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.
Affected products
No data.
- ≤ 3.9.1.1
- 3.6.0
- 3.6.1
- 3.6.2
- 3.6.3
- 3.6.4
- 3.6.5
- 3.6.6
- 3.6.7
- 3.6.8
- 3.7.0
- 3.8.0
- 3.8.1
- 3.9.0
- 3.9.1
No data.
Red Hat BPM Suite 6
netty
Not affected
Red Hat JBoss BRMS 6
netty
Not affected
Red Hat JBoss Enterprise Application Platform 5
netty
Not affected
Red Hat JBoss Enterprise Application Platform 6
netty
Not affected
Red Hat JBoss Fuse Service Works 6
netty
Not affected
Red Hat JBoss Portal 5
netty
Not affected
Red Hat JBoss Portal 6
netty
Not affected
Red Hat Satellite 6
netty
Not affected
Red Hat Software Collections
thermostat1-netty
Not affected
Red Hat Subscription Asset Manager
netty
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat BPM Suite 6 | netty | Not affected | n/a |
| Red Hat JBoss BRMS 6 | netty | Not affected | n/a |
| Red Hat JBoss Enterprise Application Platform 5 | netty | Not affected | n/a |
| Red Hat JBoss Enterprise Application Platform 6 | netty | Not affected | n/a |
| Red Hat JBoss Fuse Service Works 6 | netty | Not affected | n/a |
| Red Hat JBoss Portal 5 | netty | Not affected | n/a |
| Red Hat JBoss Portal 6 | netty | Not affected | n/a |
| Red Hat Satellite 6 | netty | Not affected | n/a |
| Red Hat Software Collections | thermostat1-netty | Not affected | n/a |
| Red Hat Subscription Asset Manager | netty | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Netty versions as shipped by Red Hat products are not affected by this flaw.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.22% (0.04222) | 90.69th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.22% (0.04222) | 89.68th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.82% (0.00818) | 72.14th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.81% (0.02810) | 76.87th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.48% (0.01480) | 79.66th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.12% (0.01117) | 85.22th | v3 (v2023.03.01) |
| Apr 10, 2024 | 1.12% (0.01117) | 84.34th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.12% (0.01117) | 82.33th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (11)
- http://netty.io/news/2014/06/11/3-9-2-Final.html x_refsource_CONFIRMVendor Advisory
- http://secunia.com/advisories/59196 third-party-advisoryx_refsource_SECUNIA
- https://access.redhat.com/security/cve/CVE-2014-3488 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1107983 Issue Tracking
- https://github.com/advisories/GHSA-9959-6p3m-wxpc Advisory
- https://github.com/netty/netty/commit/2fa9400a59d0563a66908aba55c41e7285a04994 x_refsource_CONFIRM
- https://github.com/netty/netty/issues/2562 x_refsource_CONFIRMExploitPatch
- https://lists.debian.org/debian-lts-announce/2020/02/msg00018.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2014-3488
- https://snyk.io/vuln/SNYK-JAVA-ORGJBOSSNETTY-31630
- https://www.cve.org/CVERecord?id=CVE-2014-3488
| Link | Providers | Tags |
|---|---|---|
| http://netty.io/news/2014/06/11/3-9-2-Final.html | x_refsource_CONFIRMVendor Advisory | |
| http://secunia.com/advisories/59196 | third-party-advisoryx_refsource_SECUNIA | |
| https://access.redhat.com/security/cve/CVE-2014-3488 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1107983 | Issue Tracking | |
| https://github.com/advisories/GHSA-9959-6p3m-wxpc | Advisory | |
| https://github.com/netty/netty/commit/2fa9400a59d0563a66908aba55c41e7285a04994 | x_refsource_CONFIRM | |
| https://github.com/netty/netty/issues/2562 | x_refsource_CONFIRMExploitPatch | |
| https://lists.debian.org/debian-lts-announce/2020/02/msg00018.html | mailing-listx_refsource_MLIST | |
| https://nvd.nist.gov/vuln/detail/CVE-2014-3488 | ||
| https://snyk.io/vuln/SNYK-JAVA-ORGJBOSSNETTY-31630 | ||
| https://www.cve.org/CVERecord?id=CVE-2014-3488 |
Change history (0)
No recorded changes yet.