wireshark: Integer overflows in the R3 dissector, leading to DoS (wnpa-sec-2012-08)
Published Jun 30, 2012
3.3
LOWCVSS 2.0
EPSS 3.44%
Description
Multiple integer underflows in Wireshark 1.4.x before 1.4.13 and 1.6.x before 1.6.8 allow remote attackers to cause a denial of service (loop) via vectors related to the R3 dissector, a different vulnerability than CVE-2012-2392.
Affected products
No data.
- 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
- 1.6.0
- 1.6.1
- 1.6.2
- 1.6.3
- 1.6.4
- 1.6.5
- 1.6.6
- 1.6.7
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 | 3.44% (0.03440) | 88.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.44% (0.03440) | 87.40th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.13% (0.01127) | 76.81th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.21% (0.00205) | 59.41th | v3 (v2023.03.01) |
| Jan 29, 2024 | 0.21% (0.00205) | 58.51th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.19% (0.00190) | 54.70th | 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 (9)
- http://secunia.com/advisories/49226 third-party-advisoryx_refsource_SECUNIA
- http://www.securitytracker.com/id?1027094 vdb-entryx_refsource_SECTRACK
- http://www.wireshark.org/security/wnpa-sec-2012-08.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2012-3826 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7125 x_refsource_CONFIRMVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=836961 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2012-3826
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15536 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2012-3826
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/49226 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.securitytracker.com/id?1027094 | vdb-entryx_refsource_SECTRACK | |
| http://www.wireshark.org/security/wnpa-sec-2012-08.html | x_refsource_CONFIRMVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2012-3826 | Vendor Advisory | |
| https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7125 | x_refsource_CONFIRMVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=836961 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-3826 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15536 | vdb-entrysignaturex_refsource_OVAL | |
| https://www.cve.org/CVERecord?id=CVE-2012-3826 |
Change history (0)
No recorded changes yet.