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CVE-2018-11357

23
FAUCET Score

CVE-2018-11357 describes an excessive memory consumption vulnerability in Wireshark versions 2.6.0, 2.4.0-2.4.6, and 2.2.0-2.2.14, specifically within the LTP and other dissectors due to improper handling of negative lengths. This flaw carries a CVSS v3.0 score of 7.5 (HIGH), indicating a high availability impact through network-based attacks requiring no user interaction or privileges. There is currently no evidence of active exploitation, public exploit code (e.g., Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.2.0, <= 2.2.14CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
>= 2.4.0, <= 2.4.6CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
2.6.0CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:2.6.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.84%
Probability of exploitation in next 30 days
EPSS Percentile
85.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0284 is in the 74th percentile among its peer group of 51,506 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2018-11357Moderate

wireshark: Uncontrolled Resource Consumption in epan/tvbuff.c

May 12, 2018

References

lists.opensuse.org / opensuse-security-announce/2020-03/msg00027.html
bugs.wireshark.org / bugzilla/show_bug.cgi
Issue TrackingVendor Advisory
code.wireshark.org / review/gitweb
lists.debian.org / debian-lts-announce/2019/01/msg00010.html
Mailing ListThird Party Advisory
wireshark.org / security/wnpa-sec-2018-28.html
Vendor Advisory
securityfocus.com / bid/104308
Third Party AdvisoryVDB Entry
securitytracker.com / id/1041036
Third Party AdvisoryVDB Entry