CVE-2023-40711 (GCVE-0-2023-40711)

Vulnerability from cvelistv5 – Published: 2023-08-20 00:00 – Updated: 2024-10-08 14:30
VLAI KEVintel KEV
Summary
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.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • n/a
Assigner
References
KEVintel KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: cbdf7ccb-e2eb-445b-a91e-271de9d286df

Vulnerability ID: CVE-2023-40711

Status: Confirmed

Status Updated: 2023-08-20 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-08-20
Asserted: 2023-08-20
Scope
Notes: KEVIntel entry: Veilid before 0.1.9 does not check the size of uncompressed data during decompression upon an envelope receipt, which allows remote attackers to... | Affected: Veilid / Veilid | CVSS: 7.5 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title Veilid before 0.1.9 does not check the size of uncompressed data during decompression upon an envelope receipt, which allows remote attackers to...
Vendor Veilid
Product Veilid
Added Date 2023-08-20T00:00:00.000Z
Cvss Score 7.5
Epss Score None
Cvss Severity HIGH
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-06-19 12:46 UTC | Updated: 2026-06-19 12:46 UTC
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.