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Vulnerability details: VCID-fbx1-cx81-cfcp
Vulnerability ID VCID-fbx1-cx81-cfcp
Aliases CVE-2019-1010305
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.
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
System Score Found at
cvssv3 2.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-1010305.json
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
epss 0.00465 https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
cvssv3 2.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2019-1010305
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2019-1010305
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-1010305.json
https://api.first.org/data/v1/epss?cve=CVE-2019-1010305
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1010305
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/kyz/libmspack/commit/2f084136cfe0d05e5bf5703f3e83c6d955234b4d
https://github.com/kyz/libmspack/issues/27
https://lists.debian.org/debian-lts-announce/2019/08/msg00028.html
https://lists.debian.org/debian-lts-announce/2021/10/msg00033.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IXWNEY4CJBLPRKV6LG7FQUPD6WVZYBTB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S2QJTUAGP22YY7453MHGTFN4YQE5HJBR/
1730568 https://bugzilla.redhat.com/show_bug.cgi?id=1730568
cpe:2.3:a:kyzer:libmspack:0.9.1:alpha:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:kyzer:libmspack:0.9.1:alpha:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
CVE-2019-1010305 https://nvd.nist.gov/vuln/detail/CVE-2019-1010305
RHSA-2020:1686 https://access.redhat.com/errata/RHSA-2020:1686
RHSA-2020:3848 https://access.redhat.com/errata/RHSA-2020:3848
USN-4066-1 https://usn.ubuntu.com/4066-1/
USN-4066-2 https://usn.ubuntu.com/4066-2/
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-1010305.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-1010305
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-1010305
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.63368
EPSS Score 0.00465
Published At Aug. 9, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:30:22.525922+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.18/community.json 37.0.0