[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-USN-6539-1":6},{"stargazers_count":4,"fetched_at":5},8,"2026-09-19T11:35:27.363Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":11,"aliases":12,"duplicate_of":9,"upstream":13,"downstream":22,"duplicates":23,"related":24,"reserved_at":9,"published_at":28,"modified_at":29,"state":9,"summary":30,"references_raw":32,"kevs":48,"epss":9,"epss_history":49,"metrics":50,"affected":51},"USN-6539-1","python-cryptography vulnerabilities\n\nIt was discovered that the python-cryptography Cipher.update_into function\nwould incorrectly accept objects with immutable buffers. This would result\nin corrupted output, contrary to expectations. This issue only affected\nUbuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. (CVE-2023-23931)\n\nIt was dicovered that python-cryptography incorrectly handled loading\ncertain PKCS7 certificates. A remote attacker could possibly use this\nissue to cause python-cryptography to crash, resulting in a denial of\nservice. This issue only affected Ubuntu 22.04 LTS, Ubuntu 23.04, and\nUbuntu 23.10. (CVE-2023-49083)\n",null,[],[],[],[14,16,18,20],{"_key":15},"CVE-2023-23931",{"_key":17},"CVE-2023-49083",{"_key":19},"UBUNTU-CVE-2023-23931",{"_key":21},"UBUNTU-CVE-2023-49083",[],[],[25,26,27],{"_key":21},{"_key":19},{"_key":15},"2023-12-06T15:22:41Z","2026-04-27T17:17:25.306098813Z",{"cisa_kev":31,"cisa_ransomware":31,"cisa_vendor":9,"epss_severity":9,"epss_score":9,"severity":9,"severity_score":9,"severity_version":9,"severity_source":9,"severity_vector":9,"severity_status":9},false,[33,39,44],{"url":34,"sources":35,"tags":37},"https://ubuntu.com/security/notices/USN-6539-1",[36],"osv_ubuntu",[38],"Advisory",{"url":40,"sources":41,"tags":42},"https://ubuntu.com/security/CVE-2023-23931",[36],[43],"REPORT",{"url":45,"sources":46,"tags":47},"https://ubuntu.com/security/CVE-2023-49083",[36],[43],[],[],[],[52],{"ecosystem":53,"name":54,"vendor":55,"product":54,"cpe_part":9,"purl_type":56,"purl_namespace":55,"purl_name":54,"source":9,"versions":57},"Ubuntu","python-cryptography","ubuntu","deb",[58,64],{"version":59,"is_range":60,"range_type":61,"version_start":9,"version_start_type":9,"version_end":62,"version_end_type":63,"fixed_in":9},"lt2_8_3ubuntu0_2",true,"ecosystem","2.8-3ubuntu0.2","excluding",{"version":65,"is_range":60,"range_type":61,"version_start":9,"version_start_type":9,"version_end":66,"version_end_type":63,"fixed_in":9},"lt3_4_8_1ubuntu2_1","3.4.8-1ubuntu2.1"]