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CVE-2013-6340

19
FAUCET Score

CVE-2013-6340 describes a denial-of-service vulnerability in Wireshark versions 1.8.x before 1.8.11 and 1.10.x before 1.10.3. The flaw resides in the TCP dissector (epan/dissectors/packet-tcp.c), where improper handling of remaining data in crafted packets can lead to an application crash. This vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and a potential impact of partial availability loss, with no confidentiality or integrity impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage 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:*:*:*:*:*:*:*
1.8.4CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.8.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.67%
Probability of exploitation in next 30 days
EPSS Percentile
74.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0167 is in the 51st percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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 (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: wireshark-0:1.8.10-7.el6_5
View patch

Vendor Advisories (1)

redhatCVE-2013-6340Moderate

wireshark: TCP dissector crash (wnpa-sec-2013-65)

Nov 1, 2013

References

anonsvn.wireshark.org / viewvc/trunk/epan/dissectors/packet-tcp.c
Patch
anonsvn.wireshark.org / viewvc
Patch
lists.opensuse.org / opensuse-updates/2013-11/msg00026.html
lists.opensuse.org / opensuse-updates/2013-11/msg00027.html
rhn.redhat.com / errata/RHSA-2014-0342.html
bugs.wireshark.org / bugzilla/show_bug.cgi
Patch
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19298
debian.org / security/2013/dsa-2792
wireshark.org / security/wnpa-sec-2013-65.html
Vendor Advisory