Heap-Based Buffer Over-Read Vulnerability in stb Library Affecting Multiple Projects
CVE-2020-6618

8.8HIGH

Key Information:

Vendor

Nothings

Status
Stb Truetype.h
Vendor
CVE Published:
8 January 2020

What is CVE-2020-6618?

The stb library's stbtt__find_table function, as of version 1.22 and earlier, is susceptible to a heap-based buffer over-read. This vulnerability arises when the function attempts to access memory beyond the allocated buffer size, potentially leading to information disclosure and other security risks. The issue should be addressed through proper validation of input data to ensure that memory access is contained within the allocated boundaries.

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References

https://github.com/nothings/stb/issues/866
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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