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CVE-2015-3138

20
FAUCET Score

CVE-2015-3138 is a denial-of-service vulnerability affecting tcpdump versions prior to 4.7.4, specifically within the print-wb.c component. This flaw allows remote attackers to trigger a segmentation fault and crash the tcpdump process. With a CVSS score of 7.5 (High), it can be exploited remotely with low attack complexity, leading to a complete loss of availability for the affected system. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.7.3CPE matchmatch criteria
cpe:2.3:a:tcpdump:tcpdump:*:*:*:*:*:*:*:*
42.2CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*
42.1CPE matchmatch criteria
cpe:2.3:o:opensuse_project:leap:42.1:*:*:*:*:*:*:*

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
2.28%
Probability of exploitation in next 30 days
EPSS Percentile
81.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0228 is in the 67th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2015-3138Low

tcpdump: denial of service in print-wb.c

Mar 25, 2015

References

lists.opensuse.org / opensuse-updates/2017-05/msg00018.html
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
github.com / the-tcpdump-group/tcpdump/commit/3ed82f4ed0095768529afc22b923c8f7171fff70
Issue TrackingPatchThird Party Advisory
github.com / the-tcpdump-group/tcpdump/issues/446
Issue TrackingPatchThird Party Advisory