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01 Record

CVE-2020-23026

A NULL pointer dereference in the main() function dhry_1.c of dhrystone 2.1 causes a denial of service (DoS).

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
View raw JSON

02 Description

A NULL pointer dereference in the main() function dhry_1.c of dhrystone 2.1 causes a denial of service (DoS).

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.07% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 64.7% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-01-03 19:09Z4 YR AGO
Last updated
2024-08-04 14:51Z2 YR AGO
Reserved
2020-08-13
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-476NULL Pointer DereferenceBase
Data version
5.1
Document digest
4d2fc8ed35bba38695c10b6f15fe9a81c8d5986dfd80390cda80ff55fdd805c2

05 Affected products

VendorProductVersionsPlatforms
dhrystone_projectdhrystoneNot specified—

06 References

07 Fixed in

Ubuntu 14.04 LTS

  • gcc-3.3
    No fix yet
  • gcc-4.7
    No fix yet
  • gcc-4.8
    No fix yet
  • gcc-defaults
    No fix yet
  • gcc-mingw-w64
    No fix yet
  • gccgo-4.9
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • gcc-3.3
    No fix yet
  • gcc-4.7
    No fix yet
  • gcc-4.7-armel-cross
    No fix yet
  • gcc-4.7-armhf-cross
    No fix yet
  • gcc-4.8
    No fix yet
  • gcc-4.8-arm64-cross
    No fix yet
  • gcc-4.8-armhf-cross
    No fix yet
  • gcc-4.8-powerpc-cross
    No fix yet
  • gcc-4.8-ppc64el-cross
    No fix yet
  • gcc-4.9
    No fix yet
  • gcc-5-cross
    No fix yet
  • gcc-arm-linux-androideabi
    No fix yet
  • gcc-arm-none-eabi
    No fix yet
  • gcc-avr
    No fix yet
  • gcc-defaults
    No fix yet
  • gcc-h8300-hms
    No fix yet
  • gcc-i686-linux-android
    No fix yet
  • gcc-m68hc1x
    No fix yet
  • gcc-mingw-w64
    No fix yet
  • gcc-msp430
    No fix yet
  • gcc-opt
    No fix yet
  • gcc-snapshot
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • gcc-3.3
    No fix yet
  • gcc-4.8
    No fix yet
  • gcc-5
    No fix yet
  • gcc-5-cross
    No fix yet
  • gcc-6
    No fix yet
  • gcc-6-cross
    No fix yet
  • gcc-6-cross-ports
    No fix yet
  • gcc-7
    No fix yet
  • gcc-7-cross
    No fix yet
  • gcc-7-cross-ports
    No fix yet
  • gcc-8
    No fix yet
  • gcc-8-cross
    No fix yet
  • gcc-8-cross-ports
    No fix yet
  • gcc-arm-none-eabi
    No fix yet
  • gcc-avr
    No fix yet
  • gcc-defaults
    No fix yet
  • gcc-h8300-hms
    No fix yet
  • gcc-m68hc1x
    No fix yet
  • gcc-mingw-w64
    No fix yet
  • gcc-msp430
    No fix yet
  • gcc-opt
    No fix yet
  • gcc-snapshot
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 20.04 LTS

  • gcc-3.3
    No fix yet
  • gcc-7
    No fix yet
  • gcc-8
    No fix yet
  • gcc-8-cross
    No fix yet
  • gcc-8-cross-ports
    No fix yet
  • gcc-9-cross-ports
    No fix yet
  • gcc-arm-none-eabi
    No fix yet
  • gcc-avr
    No fix yet
  • gcc-defaults
    No fix yet
  • gcc-h8300-hms
    No fix yet
  • gcc-m68hc1x
    No fix yet
  • gcc-mingw-w64
    No fix yet
  • gcc-msp430
    No fix yet
  • gcc-opt
    No fix yet
  • gcc-snapshot
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 22.04 LTS

  • gcc-3.3
    No fix yet
  • gcc-9
    No fix yet
  • gcc-9-cross
    No fix yet
  • gcc-9-cross-ports
    No fix yet
  • gcc-arm-none-eabi
    No fix yet
  • gcc-avr
    No fix yet
  • gcc-defaults
    No fix yet
  • gcc-h8300-hms
    No fix yet
  • gcc-m68hc1x
    No fix yet
  • gcc-mingw-w64
    No fix yet
  • gcc-msp430
    No fix yet
  • gcc-opt
    No fix yet
  • gcc-snapshot
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 16.04 LTS

  • gcc-5
    No fix yet
  • gccgo-6
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 20.04 LTS

  • gcc-9
    No fix yet
  • gcc-9-cross
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.