CVE-2015-4467: libmspack_project libmspack Numeric Errors
CVSS: 4.3v2.0MediumModified
AliasesUBUNTU-CVE-2015-4467DEBIAN-CVE-2015-4467
Published 11-06-2015Last modified 06-08-2024
Vulnerability summary
CVE-2015-4467 is a medium (CVSS 4.3) Numeric Errors vulnerability in libmspack_project libmspack. EPSS estimates a 1.43% chance of exploitation in the next 30 days, higher than 72.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
4.3/10
010
Medium · v2.0 (NVD)EPSS score
1.43%
0%100%
Low · -0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 11-06-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The chmd_init_decomp function in chmd.c in libmspack before 0.5 does not properly validate the reset interval, which allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted CHM file.
CVSS metrics
1 score · 1 source · 1 versionMedium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.43%
Chance of exploitation in the next 30 days
Percentile
73%
Versus all other CVEs
30-day change
-0.03 pp
From 1.46% on 18-09-2026
18-09-202618-10-2026
EPSS score1.43%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugs.debian.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- libmspack< 0.4-3
Libmspack_project1 product
- libmspack≤ 0.4-3
Ubuntu1 product
- libmspack< 0.4-1ubuntu0.1~esm2
3 vendors · 3 products