CVE-2022-31630 (GCVE-0-2022-31630)
Vulnerability from cvelistv5
Published
2022-11-14 06:53
Modified
2024-08-03 07:26
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CWE
  • CWE-131 - Incorrect Calculation of Buffer Size
  • CWE-190 - Integer Overflow or Wraparound
Summary
In PHP versions prior to 7.4.33, 8.0.25 and 8.1.12, when using imageloadfont() function in gd extension, it is possible to supply a specially crafted font file, such as if the loaded font is used with imagechar() function, the read outside allocated buffer will be used. This can lead to crashes or disclosure of confidential information. 
References
security@php.net https://bugs.php.net/bug.php?id=81739 Exploit, Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://bugs.php.net/bug.php?id=81739 Exploit, Issue Tracking, Patch, Vendor Advisory
Impacted products
Vendor Product Version
PHP Group PHP Version: 7.4.x   < 7.4.33
Version: 8.0.x   < 8.0.25
Version: 8.1.x   < 8.1.12
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