CVE-2024-2397

infinite loop in the PPP printer of tcpdump

6.2 MediumFix available

Due to a bug in packet data buffers management, the PPP printer in tcpdump can enter an infinite loop when reading a crafted DLT_PPP_SERIAL .pcap savefile. This problem does not affect any tcpdump release, but it affected the git master branch from 2023-06-05 to 2024-03-21.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.29%Up 0.2 points since Apr 13, 2024

What each source reports

CVE List Score used 6.2

infinite loop in the PPP printer of tcpdump

Record: CVE-2024-2397
CVSS 3.1: 6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-835
Updated: 2026-11-02

EUVDEUVD-2024-27349 6.2

Record: EUVD-2024-27349
CVSS 3.1: 6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-j3vc-4chv-32mw 6.2

Due to a bug in packet data buffers management, the PPP printer in tcpdump can enter an infinite...

Record: GHSA-j3vc-4chv-32mw
CVSS 3.1: 6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-835
Updated: 2026-11-02

NVD 6.2

Record: CVE-2024-2397
CVSS 3.1: 6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-835
Updated: 2026-11-02

OSVBELL-CVE-2024-2397 6.2

CVE-2024-2397 does not affect BellSoft software

Record: BELL-CVE-2024-2397
CVSS 3.1: 6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSV 6.2

infinite loop in the PPP printer of tcpdump

Record: CVE-2024-2397
CVSS 3.1: 6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-835
Updated: 2026-11-02

OSVMGASA-2024-0177 No score

Updated tcpdump packages fix security vulnerability

Due to a bug in packet data buffers management, the PPP printer in tcpdump can enter an infinite loop when reading a crafted DLT_PPP_SERIAL .pcap savefile. (CVE-2024-2397)

Record: MGASA-2024-0177
Updated: 2026-11-02

OSVopenSUSE-SU-2024:14305-1 No score

tcpdump-4.99.5-1.1 on GA media

These are all security issues fixed in the tcpdump-4.99.5-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:14305-1
Updated: 2026-11-02

Affected products

the tcpdump group tcpdump

Affected packages

Affected packages
Package	Affected	Fixed
`tcpdump` Mageia:9	before 4.99.4-1.1.mga9	4.99.4-1.1.mga9
`tcpdump` openSUSE:Tumbleweed	before 4.99.5-1.1	4.99.5-1.1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	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-2024-2397 is a medium vulnerability (CVSS 6.2) in The Tcpdump Group Tcpdump, published April 12, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. Fixed in tcpdump 4.99.4-1.1.mga9.

References

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