How severe is CVE-2015-4469?

CVE-2015-4469 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-4469 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4469?

CVE-2015-4469 affects Libmspack Project Libmspack. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-4469?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-4469 published?

CVE-2015-4469 was published on 2015-06-11 and last updated on 2026-06-17.

CVE-2015-4469

CVE-2015-4469 is a medium-severity vulnerability in Libmspack Project Libmspack with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Libmspack Project Libmspack
Published: 2015-06-11
Last modified: 2026-06-17

Description

The chmd_read_headers function in chmd.c in libmspack before 0.5 does not validate name lengths, which allows remote attackers to cause a denial of service (buffer over-read and application crash) via a crafted CHM file.

Frequently asked questions

What is CVE-2015-4469?: The chmd_read_headers function in chmd.c in libmspack before 0.5 does not validate name lengths, which allows remote attackers to cause a denial of service (buffer over-read and application crash) via a crafted CHM file.
How severe is CVE-2015-4469?: CVE-2015-4469 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2015-4469 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4469?: CVE-2015-4469 affects Libmspack Project Libmspack. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-4469?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-4469 published?: CVE-2015-4469 was published on 2015-06-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:libmspack_project:libmspack:*:*:*:*:*:*:*:*

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