Out-of-bounds Read in Cpp-Peglib Project
CVE-2020-23915
An issue was discovered in cpp-peglib through v0.1.12. peg::resolve_escape_sequence() in peglib.h has a heap-based buffer over-read.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (58.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/yhirose/cpp-peglib/issues/122 (Exploit, Third Party Advisory, Issue Tracking)
- github.com/yhirose/cpp-peglib/commit/b3b29ce8f3acf3a32733d930105a17d7b0ba347e (Patch, Third Party Advisory)
- cwe.mitre.org/data/definitions/126.html (Technical Description)
Frequently asked questions
- What is CVE-2020-23915?
- CVE-2020-23915 is a medium-severity vulnerability in Cpp-Peglib Project, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2021-04-21.
- How severe is CVE-2020-23915?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-23915 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.