Executive Summary

Informations
Name CVE-2021-40812 First vendor Publication 2021-09-08
Vendor Cve Last vendor Modification 2024-04-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

The GD Graphics Library (aka LibGD) through 2.3.2 has an out-of-bounds read because of the lack of certain gdGetBuf and gdPutBuf return value checks.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40812

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-125 Out-of-bounds Read

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 11

Sources (Detail)

https://lists.debian.org/debian-lts-announce/2024/04/msg00003.html
Source Url
MISC https://github.com/libgd/libgd/commit/6f5136821be86e7068fcdf651ae9420b5d42e9a9
https://github.com/libgd/libgd/issues/750#issuecomment-914872385

Alert History

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Date Informations
2024-04-07 09:27:27
  • Multiple Updates
2021-09-15 21:23:17
  • Multiple Updates
2021-09-09 17:22:53
  • Multiple Updates
2021-09-09 05:22:52
  • First insertion