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CVE-2019-15161

20
FAUCET Score

CVE-2019-15161 is a medium-severity vulnerability in libpcap versions prior to 1.9.1, specifically in the rpcapd/daemon.c component, which mishandles length values due to variable reuse. This flaw could allow an unauthenticated attacker to inject extra data at the end of a request, potentially leading to a low impact on integrity. While the vulnerability has a CVSS score of 5.3 and a FAUCET Risk Score of 28/100, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding it.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.9.1CPE matchmatch criteria
cpe:2.3:a:tcpdump:libpcap:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.76%
Probability of exploitation in next 30 days
EPSS Percentile
84.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0276 is in the 78th percentile among its peer group of 23,701 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 (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2019-15161Low

libpcap: Mishandled length values in reused variables

Sep 20, 2019

References

seclists.org / fulldisclosure/2019/Dec/26
github.com / the-tcpdump-group/libpcap/blob/libpcap-1.9/CHANGES
ProductRelease Notes
github.com / the-tcpdump-group/libpcap/commit/617b12c0339db4891d117b661982126c495439ea
PatchThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/5P5K3DQ4TFSZBDB3XN4CZNJNQ3UIF3D3
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/GBIEKWLNIR62KZ5GA7EDXZS52HU6OE5F
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/UZTIPUWABYUE5KQOLCKAW65AUUSB7QO6
seclists.org / bugtraq/2019/Dec/23
support.apple.com / kb/HT210785
support.apple.com / kb/HT210788
support.apple.com / kb/HT210789
support.apple.com / kb/HT210790
oracle.com / security-alerts/cpuapr2020.html
tcpdump.org / public-cve-list.txt
Vendor Advisory