{"cve":"CVE-2009-0124","nvd":{"published":"2009-01-15T17:30:00.530","modified":"2026-06-16T23:04:18.223","status":"Modified","description":"The tqsl_verifyDataBlock function in openssl_cert.cpp in American Radio Relay League (ARRL) tqsllib 2.0 does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-287"],"references":["http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511509","http://openwall.com/lists/oss-security/2009/01/12/4","http://secunia.com/advisories/33543","https://bugzilla.redhat.com/show_bug.cgi?id=479650","https://www.redhat.com/archives/fedora-package-announce/2009-January/msg00557.html"],"products":["arrl:tqsllib"],"source":"nvd","synced_at":"2026-10-19T19:53:23.791937413+00:00"},"epss":{"cve":"CVE-2009-0124","score":0.01324,"percentile":0.70919,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}