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.
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This medium-severity CVE scores 5.5 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 63% 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).
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.
April 21, 2021
November 21, 2024
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
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