CVE-2023-40711

Name: CVE-2023-40711
Creator: NVD / NIST
Published: 2023-08-20T01:15:08.92+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.74%

Last modified Jun 17, 2026

CVE-2023-40711 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Veilid before 0.1.9 does not check the size of uncompressed data during decompression upon an envelope receipt, which allows remote attackers to cause a denial of service (out-of-memory abort) via crafted packet data, as exploited in the wild in August 2023.. EPSS estimates a 0.74% chance of exploitation in the next 30 days.

Description

Veilid before 0.1.9 does not check the size of uncompressed data during decompression upon an envelope receipt, which allows remote attackers to cause a denial of service (out-of-memory abort) via crafted packet data, as exploited in the wild in August 2023.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.74%

50.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Veilid	Veilid	< 0.1.9

References

https://gitlab.com/veilid/veilid/-/blob/main/CHANGELOG.mdRelease Notes
https://gitlab.com/veilid/veilid/-/blob/main/CHANGELOG.mdRelease Notes

Timeline

Published: Aug 20, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-40711?

How severe is CVE-2023-40711?

CVE-2023-40711 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.74% probability of exploitation in the next 30 days.

How do I fix CVE-2023-40711?

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-2023-40711?

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

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Source: NVD / NIST