{"id":"JLSEC-2026-741","summary":"Integer underflow in wolfSSL packet sniffer \u003c= 5.9.0 allows an attacker to cause a program crash...","details":"Integer underflow in wolfSSL packet sniffer \u003c= 5.9.0 allows an attacker to cause a program crash in the AEAD decryption path by injecting a TLS record shorter than the explicit IV plus authentication tag into traffic inspected by ssl_DecodePacket. The underflow wraps a 16-bit length to a large value that is passed to AEAD decryption routines, causing a large out-of-bounds read and crash. An unauthenticated attacker can trigger this remotely via malformed TLS Application Data records.","modified":"2026-07-14T21:50:14.862026525Z","published":"2026-07-14T21:41:35.775Z","upstream":["CVE-2026-5778","EUVD-2026-21220","GHSA-2jvp-h4w4-2vxh"],"database_specific":{"sources":[{"published":"2026-04-09T22:16:37.097Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-5778","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-5778","database_specific":{"status":"Analyzed"},"id":"CVE-2026-5778","imported":"2026-07-14T21:22:49.251Z","modified":"2026-06-17T10:59:37.930Z"},{"id":"GHSA-2jvp-h4w4-2vxh","imported":"2026-07-14T21:22:59.645Z","modified":"2026-04-29T15:30:34Z","published":"2026-04-10T00:30:31Z","url":"https://api.github.com/advisories/GHSA-2jvp-h4w4-2vxh","html_url":"https://github.com/advisories/GHSA-2jvp-h4w4-2vxh"},{"modified":"2026-04-10T13:53:29Z","published":"2026-04-09T21:45:09Z","url":"https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2026-21220","html_url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-21220","id":"EUVD-2026-21220","imported":"2026-07-14T21:22:51.674Z"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"https://github.com/advisories/GHSA-2jvp-h4w4-2vxh"},{"type":"WEB","url":"https://github.com/wolfSSL/wolfssl/pull/10125"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-5778"}],"affected":[{"package":{"name":"wolfSSL_jll","ecosystem":"Julia","purl":"pkg:julia/wolfSSL_jll?uuid=98c43586-9870-5ae5-ab22-acc77b9bbdb5"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"5.9.2+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-741.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"}]}