regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.
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This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 24.6%, top 4% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.
February 12, 2020
November 21, 2024
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
Libc - 'regcomp()' Stack Exhaustion Denial of Service
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CWE-400