CVE-2019-16277

Name: CVE-2019-16277
Creator: NVD / NIST
Published: 2019-09-13T12:15:11.86+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.89%

Last modified Jun 17, 2026

CVE-2019-16277 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. PicoC 2.1 has a heap-based buffer overflow in StringStrcpy in cstdlib/string.c when called from ExpressionParseFunctionCall in expression.c.. EPSS estimates a 0.89% chance of exploitation in the next 30 days.

Description

PicoC 2.1 has a heap-based buffer overflow in StringStrcpy in cstdlib/string.c when called from ExpressionParseFunctionCall in expression.c.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.89%

54.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Picoc Project	Picoc	2.1

References

https://gitlab.com/zsaleeba/picoc/issues/44Exploit, Issue Tracking, Third Party Advisory
https://gitlab.com/zsaleeba/picoc/issues/44Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Sep 13, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-16277?

PicoC 2.1 has a heap-based buffer overflow in StringStrcpy in cstdlib/string.c when called from ExpressionParseFunctionCall in expression.c.

How severe is CVE-2019-16277?

CVE-2019-16277 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.89% probability of exploitation in the next 30 days.

How do I fix CVE-2019-16277?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-16277?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST