[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-ALPINE-CVE-2022-4450":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T20:55:29.923Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":11,"aliases":12,"duplicate_of":9,"upstream":13,"downstream":16,"duplicates":17,"related":18,"reserved_at":9,"published_at":19,"modified_at":20,"state":9,"summary":21,"references_raw":23,"kevs":30,"epss":9,"epss_history":31,"metrics":32,"affected":39},"ALPINE-CVE-2022-4450","The function PEM_read_bio_ex() reads a PEM file from a BIO and parses and\ndecodes the \"name\" (e.g. \"CERTIFICATE\"), any header data and the payload data.\nIf the function succeeds then the \"name_out\", \"header\" and \"data\" arguments are\npopulated with pointers to buffers containing the relevant decoded data. The\ncaller is responsible for freeing those buffers. It is possible to construct a\nPEM file that results in 0 bytes of payload data. In this case PEM_read_bio_ex()\nwill return a failure code but will populate the header argument with a pointer\nto a buffer that has already been freed. If the caller also frees this buffer\nthen a double free will occur. This will most likely lead to a crash. This\ncould be exploited by an attacker who has the ability to supply malicious PEM\nfiles for parsing to achieve a denial of service attack.\n\nThe functions PEM_read_bio() and PEM_read() are simple wrappers around\nPEM_read_bio_ex() and therefore these functions are also directly affected.\n\nThese functions are also called indirectly by a number of other OpenSSL\nfunctions including PEM_X509_INFO_read_bio_ex() and\nSSL_CTX_use_serverinfo_file() which are also vulnerable. Some OpenSSL internal\nuses of these functions are not vulnerable because the caller does not free the\nheader argument if PEM_read_bio_ex() returns a failure code. These locations\ninclude the PEM_read_bio_TYPE() functions as well as the decoders introduced in\nOpenSSL 3.0.\n\nThe OpenSSL asn1parse command line application is also impacted by this issue.",null,[],[],[],[14],{"_key":15},"CVE-2022-4450",[],[],[],"2023-02-08T20:15:23.973Z","2025-12-03T22:50:58.174496Z",{"cisa_kev":22,"cisa_ransomware":22,"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,[24],{"url":25,"sources":26,"tags":28},"https://security.alpinelinux.org/vuln/CVE-2022-4450",[27],"osv_alpine",[29],"Advisory",[],[],[33],{"source":27,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":34,"cvss_v4_0":9},{"baseScore":35,"baseSeverity":9,"vectorString":36,"impactScore":37,"exploitabilityScore":38},7.5,"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",6,10,[40,63],{"ecosystem":41,"name":42,"vendor":43,"product":42,"cpe_part":9,"purl_type":44,"purl_namespace":43,"purl_name":42,"source":9,"versions":45},"Alpine Linux","openssl","alpine","apk",[46,52,53,54,57,58,59,60,61,62],{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":50,"version_end_type":51,"fixed_in":9},"lt1_1_1t_r0",true,"ecosystem","1.1.1t-r0","excluding",{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":50,"version_end_type":51,"fixed_in":9},{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":50,"version_end_type":51,"fixed_in":9},{"version":55,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":56,"version_end_type":51,"fixed_in":9},"lt3_0_8_r0","3.0.8-r0",{"version":55,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":56,"version_end_type":51,"fixed_in":9},{"version":55,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":56,"version_end_type":51,"fixed_in":9},{"version":55,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":56,"version_end_type":51,"fixed_in":9},{"version":55,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":56,"version_end_type":51,"fixed_in":9},{"version":55,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":56,"version_end_type":51,"fixed_in":9},{"version":55,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":56,"version_end_type":51,"fixed_in":9},{"ecosystem":41,"name":64,"vendor":43,"product":64,"cpe_part":9,"purl_type":44,"purl_namespace":43,"purl_name":64,"source":9,"versions":65},"openssl3",[66,67],{"version":55,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":56,"version_end_type":51,"fixed_in":9},{"version":55,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":56,"version_end_type":51,"fixed_in":9}]