infinite loop in the PPP printer of tcpdump (The Tcpdump Group tcpdump)

CVE-2024-2397

MEDIUM 6.2

At a glance

Source: NVD
EPSS: EPSS 0.29 % · percentile 21 (2026-10-31)
State: PUBLISHED
Published: 2024-04-12 13:22 UTC
Updated: 2025-02-13 17:40 UTC
Assigner: Tcpdump
NVD status: Deferred

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Description

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.

Weaknesses (CWE)

CWE-835 — Loop with Unreachable Exit Condition

References

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 6.2	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	Tcpdump
CVSS 3.1	MEDIUM 6.2	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · security@tcpdump.org (Secondary)

European references

ENISA EUVD · EUVD-2024-27349
GCVE · GCVE-0-2024-2397

CERT-FR advisories

CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2025-AVI-0756 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr

Affected products

Product	Versions
The Tcpdump Group · tcpdump	affected 0d4083e < b9811ef

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD

🟡 infinite loop in the PPP printer of tcpdump (The Tcpdump Group tcpdump)