CVE-2004-0771

Exp

Buffer overflow in the extract_one function from lhext.c in LHA may allow attackers to execute arbitrary code via a long w (working directory) command line option, a different issue than CVE-2004-0769. NOTE: this issue may be REJECTED if there are not any cases in which LHA is setuid or is otherwise used across security boundaries.

Published: 2004-11-23 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2004-0771 is rated High Exploit Risk (89.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 18.83%, 97th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: 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-2004-0771

EDB-ID Source Kind Published Link
24120 exploit_db edb 2004-05-19 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2004-0771

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 2026-06-18 18.49% 18.83% +0.34%
2 2026-06-15 37.95% 18.49% -19.46%
3 2025-03-30 37.95%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-0771

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2004-0771

OS Trackers for CVE-2004-0771

vendor priority summary link
redhat medium https://access.redhat.com/security/cve/CVE-2004-0771
ubuntu medium CVE-2004-0771 medium priority: Ubuntu including 1 source packages (lha), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2004-0771

Affected software / configurations for CVE-2004-0771

Vendor Product Version Raw CPE
tsugio_okamoto lha 1.14 cpe:2.3:a:tsugio_okamoto:lha:1.14:*:*:*:*:*:*:*
tsugio_okamoto lha 1.15 cpe:2.3:a:tsugio_okamoto:lha:1.15:*:*:*:*:*:*:*
tsugio_okamoto lha 1.17 cpe:2.3:a:tsugio_okamoto:lha:1.17:*:*:*:*:*:*:*

References for CVE-2004-0771

cvelogic Threat Intelligence