wireshark: DoS via excessive CPU consumption in RTPS2 dissector (wnpa-sec-2012-18)
Published Aug 16, 2012
3.3
LOWCVSS 2.0
EPSS 2.13%
Description
Buffer overflow in epan/dissectors/packet-rtps2.c in the RTPS2 dissector in Wireshark 1.4.x before 1.4.15, 1.6.x before 1.6.10, and 1.8.x before 1.8.2 allows remote attackers to cause a denial of service (CPU consumption) via a malformed packet.
Affected products
No data.
Configuration 1
- 1.6.0
- 1.6.1
- 1.6.2
- 1.6.3
- 1.6.4
- 1.6.5
- 1.6.6
- 1.6.7
- 1.6.8
- 1.6.9
Configuration 3
- 1.4.0
- 1.4.1
- 1.4.2
- 1.4.3
- 1.4.4
- 1.4.5
- 1.4.6
- 1.4.7
- 1.4.8
- 1.4.9
- 1.4.10
- 1.4.11
- 1.4.12
- 1.4.13
- 1.4.14
No data.
Red Hat Enterprise Linux 5
wireshark
Not affected
Red Hat Enterprise Linux 6
wireshark
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | wireshark | Not affected | n/a |
| Red Hat Enterprise Linux 6 | wireshark | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not Vulnerable. This issue does not affect the version of wireshark as shipped with Red Hat Enterprise Linux 5 and 6.
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:A/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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.13% (0.02126) | 81.25th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.13% (0.02126) | 79.45th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.08% (0.01080) | 76.30th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.28% (0.00279) | 69.20th | v3 (v2023.03.01) |
| Mar 16, 2024 | 0.28% (0.00279) | 67.62th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.30% (0.00305) | 68.93th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.30% (0.00305) | 64.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
References (18)
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-rtps2.c?r1=44320&r2=44319&pathrev=44320 x_refsource_CONFIRMExploitPatch
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=44320 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00033.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/50276 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/51363 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/54425 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2012/dsa-2590 vendor-advisoryx_refsource_DEBIAN
- http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml vendor-advisoryx_refsource_GENTOO
- http://www.securityfocus.com/bid/55035 vdb-entryx_refsource_BID
- http://www.wireshark.org/security/wnpa-sec-2012-18.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2012-4296 Vendor Advisory
- https://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_wireshark3 x_refsource_CONFIRM
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7568 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=848565 Issue Tracking
- https://hermes.opensuse.org/messages/15514562 vendor-advisoryx_refsource_SUSE
- https://nvd.nist.gov/vuln/detail/CVE-2012-4296
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15583 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2012-4296
Change history (0)
No recorded changes yet.