Skip to main content

Libpcap CVE-2019-15163

HIGH
NULL Pointer Dereference (CWE-476)
2019-10-03 cve@mitre.org
7.5
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
CVE Published
Oct 03, 2019 - 19:15 nvd
HIGH 7.5

DescriptionNVD

rpcapd/daemon.c in libpcap before 1.9.1 allows attackers to cause a denial of service (NULL pointer dereference and daemon crash) if a crypt() call fails.

AnalysisAI

rpcapd/daemon.c in libpcap before 1.9.1 allows attackers to cause a denial of service (NULL pointer dereference and daemon crash) if a crypt() call fails. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. rpcapd/daemon.c in libpcap before 1.9.1 allows attackers to cause a denial of service (NULL pointer dereference and daemon crash) if a crypt() call fails. Affected products include: Tcpdump Libpcap. Version information: before 1.9.1.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.

CVE-2026-0799 HIGH
8.7 Sep 05

Unvalidated BPF scratch-register array index in libpcap's user-space BPF interpreter allows a local attacker with low pr

CVE-2026-6554 MEDIUM
5.5 Sep 05

Infinite-loop denial of service in libpcap's BPF interpreter allows a local low-privileged attacker to hang any process

CVE-2026-6244 MEDIUM
5.5 Sep 05

Division by zero in libpcap's BPF interpreter can crash any application using the library when processing a crafted filt

CVE-2026-31911 MEDIUM
5.5 Sep 05

Process termination via crafted BPF filter in libpcap allows a local attacker with low privileges to crash any applicati

CVE-2026-31912 MEDIUM
5.5 Sep 05

Out-of-bounds memory reads in libpcap's userland BPF interpreter allow a local attacker who can supply a crafted filter

CVE-2019-15165 MEDIUM
5.3 Oct 03

sf-pcapng.c in libpcap before 1.9.1 does not properly validate the PHB header length before allocating memory. Rated med

CVE-2019-15164 MEDIUM
5.3 Oct 03

rpcapd/daemon.c in libpcap before 1.9.1 allows SSRF because a URL may be provided as a capture source. Rated medium seve

CVE-2019-15162 MEDIUM
5.3 Oct 03

rpcapd/daemon.c in libpcap before 1.9.1 on non-Windows platforms provides details about why authentication failed, which

CVE-2019-15161 MEDIUM
5.3 Oct 03

rpcapd/daemon.c in libpcap before 1.9.1 mishandles certain length values because of reuse of a variable. Rated medium se

CVE-2026-18238 MEDIUM
5.0 Sep 05

Remote memory disclosure in libpcap's rpcap client allows a malicious or compromised rpcap server to cause a connected c

CVE-2024-8006 MEDIUM
4.4 Aug 31

Remote packet capture support is disabled by default in libpcap. Rated medium severity (CVSS 4.4), this vulnerability is

CVE-2026-18313 MEDIUM
4.3 Sep 05

Memory exhaustion in libpcap's rpcapd remote capture daemon allows an authenticated remote client to degrade or crash th

Share

CVE-2019-15163 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy