CVE-2005-2930

Stack-based buffer overflow in the _chm_find_in_PMGL function in chm_lib.c for chmlib before 0.36, as used in products such as KchmViewer, allows user-assisted attackers to execute arbitrary code via a CHM file containing a long element, a different vulnerability than CVE-2005-3318.

Published: 2005-10-28 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-2930 is rated Moderate Risk (49.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.53%). Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2005-2930

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 2026-06-15 2.08% 2.53% +0.45%
2 2025-03-30 3.36% 2.08% -1.28%
3 2025-03-29 — 3.36% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-2930

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.1 2.0 MEDIUM
AV:N/AC:H/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 4.9 6.4 [email protected]

Weakness enumeration for CVE-2005-2930

OS Trackers for CVE-2005-2930

vendor priority summary link
debian medium CVE-2005-2930 medium priority: Debian including 1 source packages (chmlib), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2005-2930
ubuntu medium CVE-2005-2930 medium priority: Ubuntu including 1 source packages (chmlib), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 3, needs-triage 1. https://ubuntu.com/security/CVE-2005-2930

Affected software / configurations for CVE-2005-2930

Vendor Product Version Raw CPE
jed_wing chm_lib 0.1 cpe:2.3:a:jed_wing:chm_lib:0.1:*:*:*:*:*:*:*
jed_wing chm_lib 0.2 cpe:2.3:a:jed_wing:chm_lib:0.2:*:*:*:*:*:*:*
jed_wing chm_lib 0.3 cpe:2.3:a:jed_wing:chm_lib:0.3:*:*:*:*:*:*:*
jed_wing chm_lib 0.31 cpe:2.3:a:jed_wing:chm_lib:0.31:*:*:*:*:*:*:*
jed_wing chm_lib 0.32 cpe:2.3:a:jed_wing:chm_lib:0.32:*:*:*:*:*:*:*
jed_wing chm_lib 0.33 cpe:2.3:a:jed_wing:chm_lib:0.33:*:*:*:*:*:*:*
jed_wing chm_lib 0.35 cpe:2.3:a:jed_wing:chm_lib:0.35:*:*:*:*:*:*:*

References for CVE-2005-2930

cvelogic Threat Intelligence