CVE-2020-23914
MEDIUMCVSS 5.5/10EPSS 0.87%
Last modified
CVE-2020-23914 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.87% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cpp-Peglib Project | Cpp-Peglib | <= 0.1.12 |
References
- https://github.com/yhirose/cpp-peglib/commit/0061f393de54cf0326621c079dc2988336d1ebb3Patch, Third Party Advisory
- https://github.com/yhirose/cpp-peglib/issues/121Exploit, Third Party Advisory
- https://github.com/yhirose/cpp-peglib/commit/0061f393de54cf0326621c079dc2988336d1ebb3Patch, Third Party Advisory
- https://github.com/yhirose/cpp-peglib/issues/121Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2020-23914?
CVE-2020-23914 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.87% probability of exploitation in the next 30 days.
How do I fix CVE-2020-23914?
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-2020-23914?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST