CVE-2023-26314

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Summary

CVECVE-2023-26314
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-02-22 07:15:10 UTC
Updated2026-05-20 02:16:34 UTC
DescriptionThe mono package before 6.8.0.105+dfsg-3.3 for Debian allows arbitrary code execution because the application/x-ms-dos-executable MIME type is associated with an un-sandboxed Mono CLR interpreter.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.013660000 probability, percentile 0.805220000 (date 2026-06-03)

Problem Types: NVD-CWE-noinfo | n/a | CWE-noinfo Not enough information

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1ADPDECLARED8.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Application Mono-project Mono 5.18.0.240\+dfsg-3 All All All
Application Mono-project Mono 6.8.0.105\+dfsg-3 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
[SECURITY] [DLA 3343-1] mono security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
www.openwall.com/lists/oss-security/2026/05/19/2 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
www.openwall.com/lists/oss-security/2026/05/19/41 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
#972146 - /usr/share/applications/mono-runtime-common.desktop: should not handle MIME type by executing arbitrary code - Debian Bug report logs af854a3a-2127-422b-91ae-364da2661108 bugs.debian.org Mailing List, Mitigation
oss-security - Code execution through MIME-type association of Mono interpreter and security expectations of MIME type associations af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 181611 Debian Security Update for mono (DLA 3343-1)
  • 182220 Debian Security Update for mono (CVE-2023-26314)
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