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Fencer Vulns
medium 5.0

CVE-2005-1279 json

tcpdump 3.8.3 and earlier allows remote attackers to cause a denial of service (infinite loop) via a crafted (1) BGP packet, which is not p…

published 2005-04-26 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-1282

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
18.7%
EPSS 18.7% chance of exploitation in 30 days, percentile 97%
public exploits
2
Exploit-DB

Summary

tcpdump 3.8.3 and earlier allows remote attackers to cause a denial of service (infinite loop) via a crafted (1) BGP packet, which is not properly handled by RT_ROUTING_INFO, or (2) LDP packet, which is not properly handled by the ldp_print function.

Patch / fix

  • tcpdump Debian 14, Debian 13, Debian 12 3.8.3-4

debian advisories DEBIAN-CVE-2005-1279

  • tcpdump RHEL 4 14:3.8.2-9.RHEL4
  • libpcap RHEL 4 14:0.8.3-9.RHEL4
  • arpwatch RHEL 4 14:2.1a13-9.RHEL4
  • tcpdump RHEL 3 14:3.7.2-7.E3.5
  • libpcap RHEL 3 14:0.7.2-7.E3.5

red hat advisories RHSA-2005:417RHSA-2005:421

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-2005-1279 updated

security flaw

  • Red Hat Desktop version 3 libpcap 0.7.2-7.E3.5, tcpdump 3.7.2-7.E3.5 Red Hat Enterprise Linux AS version 3 libpcap 0.7.2-7.E3.5, tcpdump 3.7.2-7.E3.5
    fixed: vendor fix RHSA-2005:421
  • Red Hat Enterprise Linux AS version 4 libpcap 0.8.3-9.RHEL4, tcpdump 3.8.2-9.RHEL4, arpwatch 2.1a13-9.RHEL4 Red Hat Enterprise Linux Desktop version 4 libpcap 0.8.3-9.RHEL4, tcpdump 3.8.2-9.RHEL4, arpwatch 2.1a13-9.RHEL4
    fixed: vendor fix RHSA-2005:417
  • Red Hat Enterprise Linux ES version 3 libpcap 0.7.2-7.E3.5, tcpdump 3.7.2-7.E3.5
    fixed: vendor fix RHSA-2005:421
  • Red Hat Enterprise Linux ES version 4 libpcap 0.8.3-9.RHEL4, tcpdump 3.8.2-9.RHEL4, arpwatch 2.1a13-9.RHEL4
    fixed: vendor fix RHSA-2005:417
  • Red Hat Enterprise Linux WS version 3 libpcap 0.7.2-7.E3.5, tcpdump 3.7.2-7.E3.5
    fixed: vendor fix RHSA-2005:421
  • Red Hat Enterprise Linux WS version 4 libpcap 0.8.3-9.RHEL4, tcpdump 3.8.2-9.RHEL4, arpwatch 2.1a13-9.RHEL4
    fixed: vendor fix RHSA-2005:417

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

Timeline

  1. First public exploit (EDB-958)
  2. Published

Exploit prediction

18.72% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-958 Tcpdump 3.8.x - 'rt_routing_info' Infinite Loop Denial of Service dos, 2005-04-26
  • EDB-957 Tcpdump 3.8.x - 'ldp_print' Infinite Loop Denial of Service dos, 2005-04-26
  • securityfocus.com http://www.securityfocus.com/archive/1/396932 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

References

Sources

Fencer Vulns 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.