How severe is CVE-2023-29596?

CVE-2023-29596 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-29596 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-29596?

CVE-2023-29596 affects Cmix Project Cmix. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-29596?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-29596 published?

CVE-2023-29596 was published on 2023-04-26 and last updated on 2026-06-17.

CVE-2023-29596

CVE-2023-29596 is a high-severity vulnerability in Cmix Project Cmix with a CVSS 3.x base score of 7.8. 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Cmix Project Cmix
Published: 2023-04-26
Last modified: 2026-06-17

Description

Buffer Overflow vulnerability found in ByronKnoll Cmix v.19 allows an attacker to execute arbitrary code and cause a denial of service via the paq8 function.

Frequently asked questions

What is CVE-2023-29596?: Buffer Overflow vulnerability found in ByronKnoll Cmix v.19 allows an attacker to execute arbitrary code and cause a denial of service via the paq8 function.
How severe is CVE-2023-29596?: CVE-2023-29596 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-29596 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-29596?: CVE-2023-29596 affects Cmix Project Cmix. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-29596?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-29596 published?: CVE-2023-29596 was published on 2023-04-26 and last updated on 2026-06-17.

References

https://github.com/byronknoll/cmix/issues/54

Affected products (1)

cpe:2.3:a:cmix_project:cmix:19:*:*:*:*:*:*:*

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