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CVE-2018-5683 (GCVE-0-2018-5683)

Vulnerability from cvelistv5 – Published: 2018-01-23 18:00 – Updated: 2024-08-05 05:40
VLAI
Summary
The vga_draw_text function in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) by leveraging improper memory address validation.
Severity
6.0 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2018:2162 vendor-advisoryx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://www.debian.org/security/2018/dsa-4213 vendor-advisoryx_refsource_DEBIAN
https://access.redhat.com/errata/RHSA-2018:0816 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:1104 vendor-advisoryx_refsource_REDHAT
https://lists.gnu.org/archive/html/qemu-devel/201… mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3575-1/ vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/bid/102518 vdb-entryx_refsource_BID
http://www.openwall.com/lists/oss-security/2018/01/15/2 mailing-listx_refsource_MLIST
Date Public
2018-01-12 00:00
Show details on NVD website
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-28T11:36:32+00:00",
      "cve": "CVE-2018-5683",
      "id": "CVE-2018-5683",
      "initial_release_date": "2018-01-01T00:00:00+00:00",
      "product_status:fixed": "102",
      "product_status:known_affected": "19",
      "product_status:known_not_affected": "17",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Qemu: Out-of-bounds read in vga_draw_text routine",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-5683.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2026-09-13T00:14:48Z",
      "cve": "CVE-2018-5683",
      "id": "CVE-2018-5683",
      "initial_release_date": "2023-02-15T04:31:36Z",
      "product_status:known_not_affected": "600",
      "product_status:recommended": "393",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2018-5683",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-5683.json",
      "version": "18"
    }
  }
}



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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.


Related by attack behaviour

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.