CVE-2020-6621 : stb stb_truetype.h through 1.22 has a heap-based buffer over-read in ttUSHORT.

stb stb_truetype.h through 1.22 has a heap-based buffer over-read in ttUSHORT.

Published 2020-01-08 23:15:11

Updated 2020-01-10 01:14:15

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2020-6621

Nothings » Stb Truetype.h
Versions up to, including, (<=) 1.22
cpe:2.3:a:nothings:stb_truetype.h:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.25%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 62 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:P	8.6	6.4	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://github.com/nothings/stb/issues/867

heap overflow in ttUSHORT in stb_truetype.h · Issue #867 · nothings/stb · GitHub
Exploit;Third Party Advisory

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