CVE-2022-37049

The component tcpprep in Tcpreplay v4.4.1 was discovered to contain a heap-based buffer overflow...

7.8 HighFix available

The component tcpprep in Tcpreplay v4.4.1 was discovered to contain a heap-based buffer overflow in parse_mpls at common/get.c:150. NOTE: this is different from CVE-2022-27942.

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

0.42%Down 0.5 points since Aug 19, 2022

What each source reports

NVD Score used 7.8

The component tcpprep in Tcpreplay v4.4.1 was discovered to contain a heap-based buffer overflow in parse_mpls at common/get.c:150. NOTE: this is different from CVE-2022-27942.

Record: CVE-2022-37049
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-787
Updated: 2026-11-02

CVE List No score

The component tcpprep in Tcpreplay v4.4.1 was discovered to contain a heap-based buffer overflow in parse_mpls at common/get.c:150. NOTE: this is different from CVE-2022-27942.

Record: CVE-2022-37049
Updated: 2026-11-02

EUVDEUVD-2022-39703 No score

The component tcpprep in Tcpreplay v4.4.1 was discovered to contain a heap-based buffer overflow in parse_mpls at common/get.c:150. NOTE: this is different from CVE-2022-27942.

Record: EUVD-2022-39703
Updated: 2026-11-03

GitHub AdvisoriesGHSA-w5hq-ffqp-5pfw 7.8

The component tcpprep in Tcpreplay v4.4.1 was discovered to contain a heap-based buffer overflow...

The component tcpprep in Tcpreplay v4.4.1 was discovered to contain a heap-based buffer overflow in parse_mpls at common/get.c:150. NOTE: this is different from CVE-2022-27942.

Record: GHSA-w5hq-ffqp-5pfw
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-787
Updated: 2026-11-02

OSV No score

The component tcpprep in Tcpreplay v4.4.1 was discovered to contain a heap-based buffer overflow in parse_mpls at common/get.c:150. NOTE: this is different from CVE-2022-27942.

Record: CVE-2022-37049
Updated: 2026-11-02

OSVDEBIAN-CVE-2022-37049 No score

The component tcpprep in Tcpreplay v4.4.1 was discovered to contain a heap-based buffer overflow in parse_mpls at common/get.c:150. NOTE: this is different from CVE-2022-27942.

Record: DEBIAN-CVE-2022-37049
Updated: 2026-11-03

OSVMGASA-2022-0345 No score

Updated tcpreplay packages fix security vulnerability

tcprewrite in Tcpreplay 4.4.1 has a reachable assertion in get_layer4_v6 in common/get.c. (CVE-2022-27939)

tcprewrite in Tcpreplay 4.4.1 has a heap-based buffer over-read in get_ipv6_next in common/get.c. (CVE-2022-27940)

tcprewrite in Tcpreplay 4.4.1 has a heap-based buffer over-read in get_l2len_protocol in common/get.c. (CVE-2022-27941)

tcpprep in Tcpreplay 4.4.1 has a heap-based buffer over-read in parse_mpls in common/get.c. (CVE-2022-27942)

Tcpreplay version 4.4.1 contains a memory leakage flaw in fix_ipv6_checksums() function. The highest threat from this vulnerability is to data confidentiality. (CVE-2022-28487)

The component tcprewrite in Tcpreplay v4.4.1 was discovered to contain a heap-based buffer overflow in get_ipv6_next at common/get.c:713. (CVE-2022-37047)

The component tcprewrite in Tcpreplay v4.4.1 was discovered to contain a heap-based buffer overflow in get_l2len_protocol at common/get.c:344. (CVE-2022-37048)

The component tcpprep in Tcpreplay v4.4.1 was discovered to contain a heap-based buffer overflow in parse_mpls at common/get.c:150. (CVE-2022-37049)

Record: MGASA-2022-0345
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`tcpreplay` Debian:12	before 4.4.2-1	4.4.2-1
`tcpreplay` Debian:13	before 4.4.2-1	4.4.2-1
`tcpreplay` Debian:14	before 4.4.2-1	4.4.2-1
`tcpreplay` Mageia:8 From an advisory covering 8 CVEs	before 4.4.2-1.mga8	4.4.2-1.mga8

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts	OSV
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2022-37049 is a high vulnerability (CVSS 7.8) in Broadcom Tcpreplay, published August 18, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.42%, the 36th percentile. Fixed in tcpreplay 4.4.2-1.

References

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