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CVE-2020-23914: NULL Pointer Dereference

April 21, 2021 (updated April 26, 2021)

A NULL pointer dereference was discovered in cpp-peglib’s peg::AstOptimizer::optimize() located in peglib.h. It allows an attacker to cause a Denial of Service.

References

  • nvd.nist.gov/vuln/detail/CVE-2020-23914

Code Behaviors & Features

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Affected versions

All versions up to 0.1.12

Fixed versions

  • 1.3.7

Solution

Upgrade to version 1.3.7 or above.

Impact 5.5 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-476: NULL Pointer Dereference

Source file

conan/cpp-peglib/CVE-2020-23914.yml

Spotted a mistake? Edit the file on GitLab.

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