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CVE-2023-40576 (GCVE-0-2023-40576)

Vulnerability from cvelistv5 – Published: 2023-08-31 21:35 – Updated: 2025-02-13 17:08
VLAI
Title
Out-Of-Bounds Read in FreeRDP
Summary
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Read in the `RleDecompress` function. This Out-Of-Bounds Read occurs because FreeRDP processes the `pbSrcBuffer` variable without checking if it contains data of sufficient length. Insufficient data in the `pbSrcBuffer` variable may cause errors or crashes. This issue has been addressed in version 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
FreeRDP FreeRDP Affected: >= 3.0.0-beta1, < 3.0.0-beta3
guessed Create a notification for this product.
Show details on NVD website
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          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "tags": [
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    ],
    "cna": {
      "affected": [
        {
          "product": "FreeRDP",
          "vendor": "FreeRDP",
          "versions": [
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        "discovery": "UNKNOWN"
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    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-40576",
    "datePublished": "2023-08-31T21:35:38.155Z",
    "dateReserved": "2023-08-16T18:24:02.390Z",
    "dateUpdated": "2025-02-13T17:08:33.700Z",
    "state": "PUBLISHED"
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      "id": "CVE-2023-40576",
      "lastModified": "2024-11-21T08:19:44.963",
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      "published": "2023-08-31T22:15:08.970",
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T14:55:04+00:00",
      "cve": "CVE-2023-40576",
      "id": "CVE-2023-40576",
      "initial_release_date": "2023-09-01T00:00:00+00:00",
      "product_status:known_not_affected": "24",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "freerdp: Out-Of-Bounds Read in RleDecompress",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-40576.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-26T01:53:07Z",
      "cve": "CVE-2023-40576",
      "id": "CVE-2023-40576",
      "initial_release_date": "2023-09-02T01:54:38Z",
      "product_status:recommended": "190",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-40576",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-40576.json",
      "version": "25"
    }
  }
}



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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

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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.


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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.