VDB
CVE-2020-23914
CVE-2020-23914
PUBLISHED
CVSS 5.5 MEDIUM
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 0.87% · 56.0th percentile
Risk Scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score
0.87%
56.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:24.04:LTS | retroarch | 1.18.0+dfsg-1, 1.14.0+dfsg-1build1, 1.15.0+dfsg-1 |
| Ubuntu:22.04:LTS | salmon | 1.4.0+ds1-1build1, 0 |
| Ubuntu:25.10 | salmon | *, 0 |
| Ubuntu:25.10 | retroarch | 0, 1.20.0+dfsg-2build1, 1.20.0+dfsg-2build2 |
| Ubuntu:24.04:LTS | salmon | 1.10.2+ds1-1build1, 1.10.2+ds1-1, 0 |
Timeline
- Apr 21, 2021 CVE Published
- Apr 26, 2021 CVE Updated
- Apr 27, 2021 EPSS Score
- Jul 1, 2021 EPSS Score
- Sep 1, 2021 EPSS Score
- Jan 4, 2022 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 8, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 9, 2022 EPSS Score
- Sep 12, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-23914 third-party-advisory
- https://github.com/yhirose/cpp-peglib/commit/0061f393de54cf0326621c079dc2988336d1ebb3 third-party-advisory
- https://github.com/yhirose/cpp-peglib/issues/121 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-23914 third-party-advisory