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Fencer Intel
low 3.3

CVE-2019-1010220 json

tcpdump.org tcpdump 4.9.2 is affected by: CWE-126: Buffer Over-read.

published 7y ago modified 4mo ago also EUVD-2019-1962

cvss
3.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

tcpdump.org tcpdump 4.9.2 is affected by: CWE-126: Buffer Over-read. The impact is: May expose Saved Frame Pointer, Return Address etc. on stack. The component is: line 234: "ND_PRINT((ndo, "%s", buf));", in function named "print_prefix", in "print-hncp.c". The attack vector is: The victim must open a specially crafted pcap file.

Patch / fix

  • tcpdump Ubuntu 16.04 LTS 4.9.3-0ubuntu0.16.04.1
  • tcpdump Ubuntu 18.04 LTS 4.9.3-0ubuntu0.18.04.1
  • tcpdump Ubuntu Pro 14.04 LTS 4.9.3-0ubuntu0.14.04.1+esm1

ubuntu advisories UBUNTU-CVE-2019-1010220

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • tcpdump SLES for SAP 12 SP5, SLES 12 SP5 4.9.2-14.17.1
  • tcpdump SLE Module for Basesystem 15 SP1, SLE Module for Basesystem 15 4.9.2-3.9.1
  • tcpdump SLES for SAP 12 SP4, SLES 12 SP4, SLED 12 SP4 4.9.2-14.11.1
  • tcpdump SLE Module for Basesystem 15 SP1, SLE Module for Basesystem 15 4.9.2-3.6.1

suse advisories SUSE-SU-2020:3360-1SUSE-SU-2019:2674-1SUSE-SU-2019:2088-1SUSE-SU-2019:2087-1

  • tcpdump openSUSE Tumbleweed 4.99.1-1.2
  • tcpdump openSUSE Leap 15.1 4.9.2-lp151.4.6.1
  • tcpdump openSUSE Leap 15.0 4.9.2-lp150.10.1
  • tcpdump openSUSE Leap 15.1, openSUSE Leap 15.0 4.9.2-lp151.4.3.1

opensuse advisories openSUSE-SU-2024:11425-1openSUSE-SU-2019:2348-1openSUSE-SU-2019:2344-1openSUSE-SU-2019:1964-1

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-1010220 updated cvss 5.4

tcpdump: buffer over-read in function print_prefix in print-hncp.c

  • Red Hat Enterprise Linux 5 tcpdump Red Hat Enterprise Linux 6 tcpdump Red Hat Enterprise Linux 7 tcpdump Red Hat Enterprise Linux 8 tcpdump
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.34% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 3.3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • tcpdump.org tcpdump

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.