CVE-2005-1278

Exp

The isis_print function, as called by isoclns_print, in tcpdump 3.9.1 and earlier allows remote attackers to cause a denial of service (infinite loop) via a zero length, as demonstrated using a GRE packet.

Published: 2005-05-02 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-1278 is rated High Exploit Risk (70.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 15.42%, 94th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.29% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2005-1278

EDB-ID Source Kind Published Link
959 exploit_db edb 2005-04-26 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2005-1278

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 13.13% 15.42% +2.29%
2 2025-03-29 15.42% 13.13% -2.29%
3 2025-03-17 — 15.42% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-1278

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2005-1278

OS Trackers for CVE-2005-1278

vendor priority summary link
debian not yet assigned CVE-2005-1278 not yet assigned priority: Debian including 1 source packages (tcpdump), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2005-1278
redhat medium — https://access.redhat.com/security/cve/CVE-2005-1278
ubuntu medium CVE-2005-1278 medium priority: Ubuntu including 1 source packages (tcpdump), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2005-1278

Affected software / configurations for CVE-2005-1278

Vendor Product Version Raw CPE
lbl tcpdump <= 3.9.1 cpe:2.3:a:lbl:tcpdump:*:*:*:*:*:*:*:*

References for CVE-2005-1278

cvelogic Threat Intelligence