CVE-2012-6056
Published Dec 5, 2012 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
Integer overflow in the dissect_sack_chunk function in epan/dissectors/packet-sctp.c in the SCTP dissector in Wireshark 1.8.x before 1.8.4 allows remote attackers to cause a denial of service (infinite loop) via a crafted Duplicate TSN count.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
Integer overflow in the dissect_sack_chunk function in epan/dissectors/packet-sctp.c in the SCTP dissector in Wireshark 1.8.x before 1.8.4 allows remote attackers to cause a denial of service (infinite loop) via a crafted Duplicate TSN count.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- RHSA-2014:0341 ↗
- bugs.wireshark.org ↗
- anonsvn.wireshark.org ↗
- anonsvn.wireshark.org ↗
- openSUSE-SU-2012:1633 ↗
- openSUSE-SU-2013:0151 ↗
- www.wireshark.org ↗
- oval:org.mitre.oval:def:16139 ↗
Record history
Published Dec 5, 2012 · Last refreshed Oct 23, 2026