CVE-2020-23915

MEDIUMNVD 5.55.5—

5.5

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.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 41.8%
KEV: Not listed

Published

April 21, 2021

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://cwe.mitre.org/data/definitions/126.html
cve@mitrehttps://github.com/yhirose/cpp-peglib/commit/b3b29ce8f3acf3a32733d930105a17d7b0ba347e
cve@mitrehttps://github.com/yhirose/cpp-peglib/issues/122
af854a3a-2127-422b-91ae-364da2661108https://cwe.mitre.org/data/definitions/126.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/yhirose/cpp-peglib/commit/b3b29ce8f3acf3a32733d930105a17d7b0ba347e
af854a3a-2127-422b-91ae-364da2661108https://github.com/yhirose/cpp-peglib/issues/122

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-125Out-of-bounds Read

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(5)

What is CVE-2020-23915?

CVE-2020-23915 is a medium vulnerability published on April 21, 2021. An issue was discovered in cpp-peglib through v0.1.12. peg::resolveescapesequence() in peglib.h has a heap-based buffer over-read.

When was CVE-2020-23915 disclosed?

CVE-2020-23915 was first published in the National Vulnerability Database on April 21, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-23915 actively exploited?

CVE-2020-23915 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 41.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-23915?

CVE-2020-23915 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2020-23915?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-23915, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2020-23915

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-23915?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (6)

Frequently asked(5)

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