{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/84974?format=json","vulnerability_id":"VCID-fxut-45yk-fkf8","summary":"A flaw was found in the blst cryptographic library. This out-of-bounds stack write vulnerability, specifically in the blst_sha256_bcopy assembly routine, occurs due to a missing zero-length guard. A remote attacker can exploit this by providing a zero-length salt parameter to key generation functions, such as blst_keygen_v5(), if the application exposes this functionality. Successful exploitation leads to memory corruption and immediate process termination, resulting in a denial-of-service (DoS) condition.","aliases":[{"alias":"CVE-2026-2681"}],"fixed_packages":[],"affected_packages":[],"references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-2681.json","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-2681.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-2681","reference_id":"","reference_type":"","scores":[{"value":"0.00154","scoring_system":"epss","scoring_elements":"0.35905","published_at":"2026-06-11T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-2681"},{"reference_url":"https://access.redhat.com/security/cve/CVE-2026-2681","reference_id":"CVE-2026-2681","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-02-19T21:32:20Z/"}],"url":"https://access.redhat.com/security/cve/CVE-2026-2681"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2440580","reference_id":"show_bug.cgi?id=2440580","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-02-19T21:32:20Z/"}],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2440580"}],"weaknesses":[{"cwe_id":787,"name":"Out-of-bounds Write","description":"The product writes data past the end, or before the beginning, of the intended buffer."}],"exploits":[],"severity_range_score":"5.3 - 5.3","exploitability":null,"weighted_severity":null,"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-fxut-45yk-fkf8"}