{"action":"Upgrade tlslite-ng to 0.7.6 or later.","affected":[{"fixed":"0.7.6","introduced":"0"}],"component":"tlslite-ng","cve_ids":["CVE-2020-26263"],"ecosystem":"PyPI","epss":0.01523,"exploited":false,"fixed_versions":["0.7.6"],"ghsa_id":"GHSA-wvcv-832q-fjg7","id":"tcs_01M5KG2WY057QB8CH3CJ76D3XN","modified_at":"2026-07-08T05:59:56.165718365Z","published_at":"2020-12-21T16:56:37Z","references":["https://osv.dev/vulnerability/GHSA-wvcv-832q-fjg7","https://github.com/tlsfuzzer/tlslite-ng/security/advisories/GHSA-wvcv-832q-fjg7","https://nvd.nist.gov/vuln/detail/CVE-2020-26263","https://github.com/tlsfuzzer/tlslite-ng/pull/438","https://github.com/tlsfuzzer/tlslite-ng/pull/439","https://github.com/tlsfuzzer/tlslite-ng/commit/c28d6d387bba59d8bd5cb3ba15edc42edf54b368","https://github.com/pypa/advisory-database/tree/main/vulns/tlslite-ng/PYSEC-2020-143.yaml","https://github.com/tlsfuzzer/tlslite-ng","https://pypi.org/project/tlslite-ng","https://securitypitfalls.wordpress.com/2018/08/03/constant-time-compare-in-python"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-wvcv-832q-fjg7","url":"https://osv.dev/vulnerability/GHSA-wvcv-832q-fjg7"}],"summary":"RSA weakness in tslite-ng"}