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CVE-2015-4469

14
FAUCET Score

CVE-2015-4469 is a denial-of-service vulnerability affecting libmspack versions prior to 0.5. It stems from a buffer over-read in the chmd_read_headers function, allowing remote attackers to crash an application via a crafted CHM file. With a CVSS score of 4.3, this vulnerability has a network attack vector and medium attack complexity, leading to a partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, indicating a low current threat level.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.4-3CPE matchmatch criteria
cpe:2.3:a:libmspack_project:libmspack:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.46%
Probability of exploitation in next 30 days
EPSS Percentile
70.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0146 is in the 43rd percentile among its peer group of 19,955 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

anonscm.debian.org / cgit/collab-maint/libmspack.git/diff/debian/patches/fix-name-field-boundaries.patch
openwall.com / lists/oss-security/2015/02/03/11
bugs.debian.org / 774726
Exploit
securityfocus.com / bid/72486