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Fencer Intel
critical 9.3

CVE-2014-4174 json

wiretap/libpcap.c in the libpcap file parser in Wireshark 1.10.x before 1.10.4 allows remote attackers to execute arbitrary code or cause a…

published 2014-06-18 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-4104

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.9%
EPSS 5.9% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

wiretap/libpcap.c in the libpcap file parser in Wireshark 1.10.x before 1.10.4 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted packet-trace file that includes a large packet.

Patch / fix

  • wireshark Debian 14, Debian 13, Debian 12 1.10.4-1

debian advisories DEBIAN-CVE-2014-4174

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-2014-4174 updated cvss 4.3

libpcap: file parser crash (wnpa-sec-2014-05)

  • Red Hat Enterprise Linux 6 libpcap Red Hat Enterprise Linux 7 libpcap, wireshark, wireshark-gnome Red Hat Enterprise Linux 8 libpcap, wireshark, wireshark-cli
    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

5.93% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugs.wireshark.org https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9753 referenced PoC, tagged "exploit" by a source, unverified
  • bugs.wireshark.org https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9390 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.