{"id":"CVE-2025-13912","aliases":["DEBIAN-CVE-2025-13912","EUVD-2025-202756","GHSA-7582-g6xx-939j","JLSEC-2026-688","UBUNTU-CVE-2025-13912"],"status":"published","title":"Potential non-constant time compiled code with Clang LLVM","description":"Multiple constant-time implementations in wolfSSL before version 5.8.4 may be transformed into non-constant-time binary by LLVM optimizations, which can potentially result in observable timing discrepancies and lead to information disclosure through timing side-channel 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attacks.","status":"published","published":"2025-12-11T17:09:59Z","modified":"2025-12-11T19:35:56Z","cvss":[{"version":"4.0","score":1,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"low"}],"updated_at":"2026-11-02T19:49:06.185947Z"}],"ghsa":[{"id":"GHSA-7582-g6xx-939j","title":"Multiple constant-time implementations in wolfSSL before version 5.8.4 may be transformed into...","description":"Multiple constant-time implementations in wolfSSL before version 5.8.4 may be transformed into non-constant-time binary by LLVM optimizations, which can potentially result in observable timing discrepancies and lead to information disclosure through timing side-channel 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attacks.","status":"published","published":"2025-12-11T18:16:19.067Z","modified":"2026-10-14T20:10:00.19Z","cvss":[{"version":"4.0","score":1,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low","assessor":"secondary"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:11:49.861863Z"}],"osv":[{"id":"CVE-2025-13912","title":"Potential non-constant time compiled code with Clang LLVM","description":"Multiple constant-time implementations in wolfSSL before version 5.8.4 may be transformed into non-constant-time binary by LLVM optimizations, which can potentially result in observable timing discrepancies and lead to information disclosure through timing side-channel 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attacks.","status":"published","published":"2025-12-11T18:16:19.067Z","modified":"2026-10-15T10:01:45.190865065Z","cvss":[{"version":"4.0","score":1,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low"}],"updated_at":"2026-11-02T15:45:45.102284Z"},{"id":"JLSEC-2026-688","title":"Multiple constant-time implementations in wolfSSL before version 5.8.4 may be transformed into...","description":"Multiple constant-time implementations in wolfSSL before version 5.8.4 may be transformed into non-constant-time binary by LLVM optimizations, which can potentially result in observable timing discrepancies and lead to information disclosure through timing side-channel attacks.","status":"published","published":"2026-07-14T21:41:35.775Z","modified":"2026-07-18T00:02:19.942273222Z","cvss":[{"version":"4.0","score":1,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low"}],"updated_at":"2026-11-02T15:47:19.003546Z"},{"id":"UBUNTU-CVE-2025-13912","description":"Multiple constant-time implementations in wolfSSL before version 5.8.4 may be transformed into non-constant-time binary by LLVM optimizations, which can potentially result in observable timing discrepancies and lead to information disclosure through timing side-channel attacks.","status":"published","published":"2025-12-11T18:16:00Z","modified":"2026-04-22T15:31:33.374255Z","cvss":[{"version":"4.0","score":1,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"low"}],"updated_at":"2026-11-02T16:55:20.144818Z"}]}}