The bgp_update_print function in tcpdump 3.x does not properly handle a -1 return value from the decode_prefix4 function, which allows remote attackers to cause a denial of service (infinite loop) via a crafted BGP packet.

Threat-Mapped Scoring

Score: 1.5

Priority: P4 - Informational (Low)

• S10 – Denial of Service

EPSS

Score: 0.1127
Percentile: 0.93215

CVSS Scoring

Affected Products

• cpe:2.3:a:lbl:tcpdump:3.4:*:*:*:*:*:*:*
• cpe:2.3:a:lbl:tcpdump:3.4a6:*:*:*:*:*:*:*
• cpe:2.3:a:lbl:tcpdump:3.5:*:*:*:*:*:*:*
• cpe:2.3:a:lbl:tcpdump:3.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:lbl:tcpdump:3.5_alpha:*:*:*:*:*:*:*
• cpe:2.3:a:lbl:tcpdump:3.6.2:*:*:*:*:*:*:*
• cpe:2.3:a:lbl:tcpdump:3.6.3:*:*:*:*:*:*:*
• cpe:2.3:a:lbl:tcpdump:3.7:*:*:*:*:*:*:*
• cpe:2.3:a:lbl:tcpdump:3.7.1:*:*:*:*:*:*:*
• cpe:2.3:a:lbl:tcpdump:3.7.2:*:*:*:*:*:*:*
• cpe:2.3:a:lbl:tcpdump:3.8.1:*:*:*:*:*:*:*
• cpe:2.3:a:lbl:tcpdump:3.8.2:*:*:*:*:*:*:*
• cpe:2.3:a:lbl:tcpdump:3.8.3:*:*:*:*:*:*:*
• cpe:2.3:a:lbl:tcpdump:3.9:*:*:*:*:*:*:*
• cpe:2.3:a:lbl:tcpdump:3.9.1:*:*:*:*:*:*:*
• cpe:2.3:o:gentoo:linux:*:*:*:*:*:*:*:*
• cpe:2.3:o:mandrakesoft:mandrake_linux:10.1:*:*:*:*:*:*:*
• cpe:2.3:o:mandrakesoft:mandrake_linux:10.1:*:x86_64:*:*:*:*:*
• cpe:2.3:o:mandrakesoft:mandrake_linux:10.2:*:*:*:*:*:*:*
• cpe:2.3:o:mandrakesoft:mandrake_linux:10.2:*:x86_64:*:*:*:*:*
• cpe:2.3:o:redhat:fedora_core:core_3.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:fedora_core:core_4.0:*:*:*:*:*:*:*
• cpe:2.3:o:trustix:secure_linux:2.0:*:*:*:*:*:*:*
• cpe:2.3:o:trustix:secure_linux:2.1:*:*:*:*:*:*:*
• cpe:2.3:o:trustix:secure_linux:2.2:*:*:*:*:*:*:*

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