{"id":"CVE-2022-48570","aliases":["DEBIAN-CVE-2022-48570","EUVD-2022-51266","GHSA-mgx5-qmrg-fjwp","UBUNTU-CVE-2022-48570"],"status":"published","title":"Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function...","description":"Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01026,"percentile":0.63886,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-08-22T00:00:00Z","modified":"2026-10-28T02:30:37Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.7.0+git220824-1","8.8.0-1","8.8.0-2","8.9.0-1","8.9.0-1.1","8.9.0-1.1~exp1","8.9.0-2","8.9.0-3"]},{"source":"osv","ecosystem":"Debian:13","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.9.0-2","8.9.0-3"]},{"source":"osv","ecosystem":"Debian:14","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.9.0-2","8.9.0-3"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6.1-6","5.6.1-6+deb8u1build0.14.04.1","5.6.1-6+deb8u3build0.14.04.1","5.6.1-6+deb8u3ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6.1-8","5.6.1-9","5.6.1-9ubuntu0.1","5.6.1-9ubuntu0.1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6.4-8"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6.4-9","5.6.4-9build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.0-1","8.6.0-2ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.8.0-1","8.9.0-1","8.9.0-1.1","8.9.0-1.1build1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.9.0-1.1build1","8.9.0-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.9.0-2build1","8.9.0-3"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.9.0-2","8.9.0-2build1"]}],"products":[{"vendor":"cryptopp","product":"crypto\\+\\+"}],"references":[{"url":"https://github.com/weidai11/cryptopp/releases/tag/CRYPTOPP_8_4_0","tags":["x_transferred","Release Notes","web","report"]},{"url":"https://github.com/weidai11/cryptopp/issues/992","tags":["x_transferred","Exploit","Issue Tracking","Patch","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-48570","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mgx5-qmrg-fjwp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48570.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2022-48570","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-48570","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-48570","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2022-48570","description":"Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.","status":"published","published":"2023-08-22T00:00:00Z","modified":"2024-10-03T14:07:50.976Z","updated_at":"2026-11-02T14:34:33.574107Z"}],"euvd":[{"id":"EUVD-2022-51266","description":"Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.","status":"published","published":"2023-08-22T00:00:00Z","modified":"2024-10-03T14:07:50Z","updated_at":"2026-11-03T00:27:54.651509Z"}],"ghsa":[{"id":"GHSA-mgx5-qmrg-fjwp","title":"Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function...","description":"Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.","status":"published","published":"2023-08-22T21:30:27Z","modified":"2024-04-11T21:19:03Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:57:10.253701Z"}],"nvd":[{"id":"CVE-2022-48570","description":"Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.","status":"published","published":"2023-08-22T19:16:32.157Z","modified":"2026-06-17T05:15:37.673Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:39.811118Z"}],"osv":[{"id":"UBUNTU-CVE-2022-48570","description":"Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.","status":"published","published":"2023-08-22T19:16:00Z","modified":"2026-10-17T12:56:22.928095907Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:53:56.473586Z"},{"id":"CVE-2022-48570","description":"Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.","status":"published","published":"2023-08-22T00:00:00Z","modified":"2026-10-28T02:30:37.804718699Z","updated_at":"2026-11-02T15:44:27.776402Z"},{"id":"DEBIAN-CVE-2022-48570","description":"Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.","status":"published","published":"2023-08-22T19:16:32.157Z","modified":"2026-11-03T06:03:11.186319719Z","updated_at":"2026-11-03T06:42:33.899035Z"}]}}