Every CVE Search/ Get API key

CVE-2019-8376

An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function...

7.8 HighFix available

An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function get_layer4_v6() located at get.c. This can be triggered by sending a crafted pcap file to the tcpreplay-edit binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.32%Down 0.5 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.8

An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function get_layer4_v6() located at get.c. This can be triggered by sending a crafted pcap file to the tcpreplay-edit binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

Record
CVE-2019-8376
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-476
Updated
2026-11-02
CVE List No score

An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function get_layer4_v6() located at get.c. This can be triggered by sending a crafted pcap file to the tcpreplay-edit binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

Record
CVE-2019-8376
Updated
2026-11-02
EUVDEUVD-2019-17766 No score

An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function get_layer4_v6() located at get.c. This can be triggered by sending a crafted pcap file to the tcpreplay-edit binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

Record
EUVD-2019-17766
Updated
2026-11-03
GitHub AdvisoriesGHSA-ff2p-6rhf-qvm3 7.8

An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function...

An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function get_layer4_v6() located at get.c. This can be triggered by sending a crafted pcap file to the tcpreplay-edit binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

Record
GHSA-ff2p-6rhf-qvm3
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-476
Updated
2026-11-02
OSVALPINE-CVE-2019-8376 7.8

An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function get_layer4_v6() located at get.c. This can be triggered by sending a crafted pcap file to the tcpreplay-edit binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

Record
ALPINE-CVE-2019-8376
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-03
OSV 7.8

An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function get_layer4_v6() located at get.c. This can be triggered by sending a crafted pcap file to the tcpreplay-edit binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

Record
CVE-2019-8376
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 4 moreShow less
OSVDEBIAN-CVE-2019-8376 7.8

An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function get_layer4_v6() located at get.c. This can be triggered by sending a crafted pcap file to the tcpreplay-edit binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

Record
DEBIAN-CVE-2019-8376
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2019-8376 7.8

An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function get_layer4_v6() located at get.c. This can be triggered by sending a crafted pcap file to the tcpreplay-edit binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

Record
UBUNTU-CVE-2019-8376
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVMGASA-2019-0158 No score

Updated tcpreplay packages fixes security vulnerabilities

Updated tcpreplay package fixes security vulnerabilities:

An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function get_layer4_v6() located at get.c. This can be triggered by sending a crafted pcap file to the tcpreplay-edit binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact (CVE-2019-8376).

An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function get_ipv6_l4proto() located at get.c. This can be triggered by sending a crafted pcap file to the tcpreplay-edit binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact (CVE-2019-8377).

An issue was discovered in Tcpreplay 4.3.1. An invalid memory access occurs in do_checksum in checksum.c. It can be triggered by sending a crafted pcap file to the tcpreplay-edit binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact (CVE-2019-8381).

Record
MGASA-2019-0158
Updated
2026-11-02
OSVopenSUSE-SU-2024:11426-1 No score

tcpreplay-4.3.4-1.3 on GA media

These are all security issues fixed in the tcpreplay-4.3.4-1.3 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11426-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
tcpreplay
Alpine:v3.20
 before 4.3.2-r0
4.3.2-r0
tcpreplay
Alpine:v3.21
 before 4.3.2-r0
4.3.2-r0
tcpreplay
Alpine:v3.22
 before 4.3.2-r0
4.3.2-r0
tcpreplay
Alpine:v3.23
 before 4.3.2-r0
4.3.2-r0
tcpreplay
Alpine:v3.24
 before 4.3.2-r0
4.3.2-r0
tcpreplay
Debian:12
 before 4.3.1-2
4.3.1-2
tcpreplay
Debian:13
 before 4.3.1-2
4.3.1-2
tcpreplay
Debian:14
 before 4.3.1-2
4.3.1-2
tcpreplay
Mageia:6
From an advisory covering 3 CVEs
 before 4.3.2-1.mga6
4.3.2-1.mga6
tcpreplay
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
3.4.4-23.4.4-2+deb8u1build0.16.04.13.4.4-2+deb8u1ubuntu0.1~esm13.4.4-2+deb8u1ubuntu0.1~esm23.4.4-2+deb8u1ubuntu0.1~esm3
 None known
tcpreplay
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
4.2.6-14.2.6-1ubuntu0.1~esm14.2.6-1ubuntu0.1~esm24.2.6-1ubuntu0.1~esm34.2.6-1ubuntu0.1~esm44.2.6-1ubuntu0.1~esm5
 None known
tcpreplay
openSUSE:Tumbleweed
From an advisory covering 11 CVEs
 before 4.3.4-1.3
4.3.4-1.3

History

History
RecordedChangedSources
affected, facts
affected, aliases, referencesOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-8376 is a high vulnerability (CVSS 7.8) in Broadcom Tcpreplay, published February 17, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.32%, the 70th percentile. Fixed in tcpreplay 4.3.2-r0.

References

Show 23 moreShow less
Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open