CVE-2023-40711
CVE-2023-40711 is a high-severity vulnerability in Veilid with a CVSS 3.x base score of 7.5. 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-787.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (50th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Veilid
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2023-40711?
- 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.
- How severe is CVE-2023-40711?
- CVE-2023-40711 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2023-40711 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-40711?
- CVE-2023-40711 affects Veilid. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-40711?
- 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-2023-40711 published?
- CVE-2023-40711 was published on 2023-08-20 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:veilid:veilid:*:*:*:*:*:*:*:*
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