CVE-2019-15163
rpcapd/daemon.c in libpcap before 1.9.1 allows attackers to cause a denial of service (NULL...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2019-15163- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-476
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2019-15163- Updated
- 2026-11-02
EUVDEUVD-2019-6219 No score
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.
- Record
EUVD-2019-6219- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8f74-v8w6-4296
rpcapd/daemon.c in libpcap before 1.9.1 allows attackers to cause a denial of service (NULL...
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.
- Record
GHSA-8f74-v8w6-4296- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSVALPINE-CVE-2019-15163
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.
- Record
ALPINE-CVE-2019-15163- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVBELL-CVE-2019-15163
CVE-2019-15163 does not affect BellSoft software
- Record
BELL-CVE-2019-15163- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV
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.
- Record
CVE-2019-15163- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2019-15163
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.
- Record
DEBIAN-CVE-2019-15163- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVMGASA-2019-0297 No score
Updated libpcap and tcpdump packages fix security vulnerabilities
Updated libpcap and tcpdump packages fix security vulnerabilities:
The libpcap packages have been updated to versions 1.9.1 and tcpdump to 4.9.3, respectively, fixing several buffer overread and overflow issues.
- Record
MGASA-2019-0297- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libpcapAlpine:v3.10 |
before 1.1.1-r0 | 1.1.1-r0 |
libpcapAlpine:v3.12 |
before 1.9.1-r0 | 1.9.1-r0 |
libpcapAlpine:v3.13 |
before 1.9.1-r0 | 1.9.1-r0 |
libpcapAlpine:v3.14 |
before 1.9.1-r0 | 1.9.1-r0 |
libpcapAlpine:v3.15 |
before 1.9.1-r0 | 1.9.1-r0 |
libpcapAlpine:v3.16 |
before 1.9.1-r0 | 1.9.1-r0 |
libpcapAlpine:v3.17 |
before 1.9.1-r0 | 1.9.1-r0 |
libpcapAlpine:v3.18 |
before 1.9.1-r0 | 1.9.1-r0 |
libpcapAlpine:v3.19 |
before 1.9.1-r0 | 1.9.1-r0 |
libpcapAlpine:v3.20 |
before 1.9.1-r0 | 1.9.1-r0 |
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| Package | Affected | Fixed |
|---|---|---|
libpcapAlpine:v3.21 |
before 1.9.1-r0 | 1.9.1-r0 |
libpcapAlpine:v3.22 |
before 1.9.1-r0 | 1.9.1-r0 |
libpcapAlpine:v3.23 |
before 1.9.1-r0 | 1.9.1-r0 |
libpcapAlpine:v3.24 |
before 1.9.1-r0 | 1.9.1-r0 |
libpcapDebian:12 |
before 1.9.1-1 | 1.9.1-1 |
libpcapDebian:13 |
before 1.9.1-1 | 1.9.1-1 |
libpcapDebian:14 |
before 1.9.1-1 | 1.9.1-1 |
libpcapMageia:7 From an advisory covering 32 CVEs |
before 1.9.1-1.mga7 | 1.9.1-1.mga7 |
tcpdumpMageia:7 From an advisory covering 32 CVEs |
before 4.9.3-1.mga7 | 4.9.3-1.mga7 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-15163 is a high vulnerability (CVSS 7.5) in Tcpdump Libpcap, published October 3, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.44%, the 91st percentile. Fixed in libpcap 1.1.1-r0.
References
tcpdump.org/public-cve-list.txt
github.com/the-tcpdump-group/libpcap/blob/libpcap-1.9/CHANGES
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5P5K3DQ4TFSZBDB3XN4CZNJNQ3UIF3D3
Show 17 moreShow less
support.f5.com/csp/article/K92862401?utm_source=f5support&%3Butm_medium=RSS
support.apple.com/kb/HT210788
seclists.org/bugtraq/2019/Dec/23
oracle.com/security-alerts/cpuapr2020.html
nvd.nist.gov/vuln/detail/CVE-2019-15163
security.alpinelinux.org/vuln/CVE-2019-15163
docs.bell-sw.com/security/cves/CVE-2019-15163
security-tracker.debian.org/tracker/CVE-2019-15163
advisories.mageia.org/MGASA-2019-0297.html
bugs.mageia.org/show_bug.cgi?id=25565