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CVE-2012-6056

18
FAUCET Score

CVE-2012-6056 describes an integer overflow vulnerability in the SCTP dissector of Wireshark versions 1.8.x before 1.8.4. This flaw allows remote attackers to trigger a denial of service (infinite loop) by sending a specially crafted Duplicate TSN count. The vulnerability has a CVSS score of 5.0, indicating a medium severity, with low attack complexity and potential for partial availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.8.0CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.8.0:*:*:*:*:*:*:*
1.8.1CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.8.1:*:*:*:*:*:*:*
1.8.2CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.8.2:*:*:*:*:*:*:*
1.8.3CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.8.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.66%
Probability of exploitation in next 30 days
EPSS Percentile
84.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0266 is in the 77th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: wireshark-0:1.0.15-6.el5_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: wireshark-0:1.8.10-4.el6
View patch

Vendor Advisories (1)

redhatCVE-2012-6056Low

wireshark: DoS (infinite loop) in the SCTP dissector (wnpa-sec-2012-33)

Nov 28, 2012

References

anonsvn.wireshark.org / viewvc/trunk/epan/dissectors/packet-sctp.c
Patch
anonsvn.wireshark.org / viewvc
lists.opensuse.org / opensuse-updates/2012-12/msg00022.html
lists.opensuse.org / opensuse-updates/2013-01/msg00042.html
rhn.redhat.com / errata/RHSA-2014-0341.html
bugs.wireshark.org / bugzilla/show_bug.cgi
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16139
wireshark.org / security/wnpa-sec-2012-33.html
Vendor Advisory