CVE-2023-26314

Name: CVE-2023-26314
Creator: NVD / NIST
Published: 2023-02-22T07:15:10.9+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.97%

Last modified Jun 17, 2026

CVE-2023-26314 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The 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.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

Description

The 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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.97%

57.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Mono-Project	Mono	5.18.0.240\+dfsg-3
Mono-Project	Mono	6.8.0.105\+dfsg-3
Debian	Debian Linux	10.0

References

https://bugs.debian.org/972146Mailing List, Mitigation
https://lists.debian.org/debian-lts-announce/2023/02/msg00037.htmlMailing List, Third Party Advisory
https://www.openwall.com/lists/oss-security/2023/01/05/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2026/05/19/2
http://www.openwall.com/lists/oss-security/2026/05/19/41
https://bugs.debian.org/972146Mailing List, Mitigation
https://lists.debian.org/debian-lts-announce/2023/02/msg00037.htmlMailing List, Third Party Advisory
https://www.openwall.com/lists/oss-security/2023/01/05/1Mailing List, Third Party Advisory

Timeline

Published: Feb 22, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-26314?

The 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.

How severe is CVE-2023-26314?

CVE-2023-26314 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.

How do I fix CVE-2023-26314?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-26314?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST