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CVE-2019-15163

26
FAUCET Score

CVE-2019-15163 is a denial-of-service vulnerability affecting libpcap versions prior to 1.9.1, specifically within the rpcapd/daemon.c component, which also impacts products like tcpdump. An unauthenticated attacker can trigger a NULL pointer dereference, leading to a daemon crash, if a crypt() call fails. While rated High severity with a CVSS score of 7.5, indicating a network-exploitable vulnerability with high availability impact, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

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

7.5HIGH

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
4.44%
Probability of exploitation in next 30 days
EPSS Percentile
90.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0444 is in the 83rd percentile among its peer group of 51,485 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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2019-15163Low

libpcap: Null pointer dereference in rpcapd/daemon.c

Sep 20, 2019

References

seclists.org / fulldisclosure/2019/Dec/26
github.com / the-tcpdump-group/libpcap/blob/libpcap-1.9/CHANGES
Third Party Advisory
github.com / the-tcpdump-group/libpcap/commit/437b273761adedcbd880f714bfa44afeec186a31
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
support.f5.com / csp/article/K92862401
oracle.com / security-alerts/cpuapr2020.html
tcpdump.org / public-cve-list.txt
Third Party Advisory