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TI-2019-16069 Aliases CVE-2019-1010305GHSA-w7hv-jwj8-qh4r

Memory corruption in libmspack

Priority LOW 28CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

libmspack 0.9.1alpha is affected by: Buffer Overflow. The impact is: Information Disclosure. The component is: function chmd_read_headers() in libmspack(file libmspack/mspack/chmd.c). The attack vector is: the victim must open a specially crafted chm file. The fixed version is: after commit 2f084136cfe0d05e5bf5703f3e83c6d955234b4d.

Why it matters now

EPSS 0.01464 73rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
libmspacklibmspack0.9.1alpha [fixed: after commit 2f084136cfe0d05e5bf5703f3e83c6d955234b4d]—No fix listedCNA
  • libmspack Vendorlibmspack Affected 0.9.1alpha [fixed: after commit 2f084136cfe0d05e5bf5703f3e83c6d955234b4d] Fixed in — No fix listed CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:a:kyzer:libmspack:0.9.1:alpha:*:*:*:*:*:*0.9.1 alphaVulnerableKyzer
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*29VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*30VulnerableFedoraproject
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
  • cpe:2.3:a:kyzer:libmspack:0.9.1:alpha:*:*:*:*:*:* Versions 0.9.1 alpha Vulnerable ·Kyzer
  • cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* Versions 29 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical

Remediation

Red Hat 2 advisories

  • RHSA-2020:3848 Released 2020-09-29 · Red Hat rating Low
    libmspack security update
    • Red Hat Enterprise Linux Client (v. 7) libmspack-0.5-0.8.alpha.el7
    • Red Hat Enterprise Linux Client Optional (v. 7) libmspack-devel-0.5-0.8.alpha.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) libmspack-0.5-0.8.alpha.el7
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) libmspack-devel-0.5-0.8.alpha.el7
    • Red Hat Enterprise Linux Server (v. 7) libmspack-0.5-0.8.alpha.el7
    • Red Hat Enterprise Linux Server Optional (v. 7) libmspack-0.5-0.8.alpha.el7, libmspack-devel-0.5-0.8.alpha.el7
    • Red Hat Enterprise Linux Workstation (v. 7) libmspack-0.5-0.8.alpha.el7
    • Red Hat Enterprise Linux Workstation Optional (v. 7) libmspack-devel-0.5-0.8.alpha.el7
  • RHSA-2020:1686 Released 2020-04-28 · Red Hat rating Low
    libmspack security and bug fix update
    • Red Hat CodeReady Linux Builder (v. 8) libmspack-0.7-0.3.alpha.el8.4, libmspack-devel-0.7-0.3.alpha.el8.4
    • Red Hat Enterprise Linux AppStream (v. 8) libmspack-0.7-0.3.alpha.el8.4

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2020:1686
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2020:1686
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2020:3848
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2020:3848
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2020:3848
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2020:3848
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2020:3848
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2020:3848
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2020:3848
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2020:3848

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-1010305
  2. 2026-10-03 Alias added: GHSA-w7hv-jwj8-qh4r

References

Exploit 1

Patch 1

Advisory 6

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences