NULL pointer dereference in Cpp-Peglib Project
CVE-2020-23914
An issue was discovered in cpp-peglib through v0.1.12. A NULL pointer dereference exists in the peg::AstOptimizer::optimize() located in peglib.h. It allows an attacker to cause Denial of Service.
EPSS: 0.009 (55.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Cpp-peglib_project Cpp-peglib
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-23914?
- CVE-2020-23914 is a medium-severity vulnerability in Cpp-Peglib Project, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2021-04-21.
- How severe is CVE-2020-23914?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-23914 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.