CVE-2015-4472

Exp

Off-by-one error in the READ_ENCINT macro in chmd.c in libmspack before 0.5 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted CHM file.

Published: 2015-06-11 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-4472 is rated High Exploit Risk (68.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.59%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.22% over the last day, indicating growing attacker interest. 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-2015-4472

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2015-4472

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 0.36% 1.59% +1.22%
2 2026-02-27 0.47% 0.36% -0.10%
3 2025-03-30 0.47%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-4472

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/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:M)
Exploitation needs some favorable conditions, but not exceptional ones.
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.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2015-4472

OS Trackers for CVE-2015-4472

vendor priority summary link
debian not yet assigned CVE-2015-4472 not yet assigned priority: Debian including 1 source packages (libmspack), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-4472
gentoo normal CVE-2015-4472: 1 GLSA(s) (201506-01), 1 atom(s) (www-plugins/adobe-flash); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-4472
ubuntu medium CVE-2015-4472 medium priority: Ubuntu including 1 source packages (libmspack), 21 status rows across 21 suites (artful, bionic, cosmic, disco, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 17, released 2, DNE 1, ignored 1. https://ubuntu.com/security/CVE-2015-4472

Affected software / configurations for CVE-2015-4472

Vendor Product Version Raw CPE
libmspack_project libmspack <= 0.4-3 cpe:2.3:a:libmspack_project:libmspack:*:*:*:*:*:*:*:*

References for CVE-2015-4472

cvelogic Threat Intelligence