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CVE-2018-14369

24
FAUCET Score

CVE-2018-14369 describes a denial-of-service vulnerability in Wireshark versions 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, where a malformed HTTP2 packet could cause the dissector to crash. This issue was resolved by implementing a check for header data before decompression. The vulnerability has a CVSSv3 score of 7.5 (HIGH), indicating that an unauthenticated attacker could remotely trigger a denial of service without user interaction. The impact is limited to availability, with no compromise of confidentiality or integrity. There is no evidence of active exploitation, nor are there any public exploits available in Metasploit, Nuclei, or ExploitDB. The vulnerability has received minimal community discussion and media coverage, suggesting a low level of public awareness or concern.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.2.0, <= 2.2.15CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
>= 2.4.0, <= 2.4.7CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
>= 2.6.0, <= 2.6.1CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
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
3.35%
Probability of exploitation in next 30 days
EPSS Percentile
87.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0335 is in the 78th percentile among its peer group of 51,551 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-2018-14369Moderate

wireshark: HTTP2 dissector infinite loop (wnpa-sec-2018-41)

Jul 18, 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/2018/07/msg00045.html
Mailing ListThird Party Advisory
wireshark.org / security/wnpa-sec-2018-41.html
Vendor Advisory
securityfocus.com / bid/104847
Third Party AdvisoryVDB Entry
securitytracker.com / id/1041608
Third Party AdvisoryVDB Entry