{"id":9446,"date":"2025-12-24T10:04:08","date_gmt":"2025-12-24T10:04:08","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2025\/12\/24\/critical-mongodb-vulnerability-exposes-sensitive-data-via-zlib-compression\/"},"modified":"2025-12-24T10:04:08","modified_gmt":"2025-12-24T10:04:08","slug":"critical-mongodb-vulnerability-exposes-sensitive-data-via-zlib-compression","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2025\/12\/24\/critical-mongodb-vulnerability-exposes-sensitive-data-via-zlib-compression\/","title":{"rendered":"Critical MongoDB Vulnerability Exposes Sensitive Data via Zlib Compression"},"content":{"rendered":"

Critical MongoDB Vulnerability Exposes Sensitive Data via Zlib Compression
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A critical security vulnerability, tracked as\u00a0CVE-2025-14847, that could allow attackers to extract uninitialized heap memory<\/a> from database servers without authentication.<\/p>\n

The flaw resides in MongoDB\u2019s zlib compression<\/a> implementation and affects multiple versions of the database<\/a> platform.\u200b<\/p>\n

The vulnerability enables client-side exploitation of the MongoDB Server\u2019s zlib implementation. Potentially exposing sensitive data stored in uninitialized heap memory.<\/p>\n

What makes this flaw particularly dangerous is that attackers can exploit it without authenticating to the server, significantly lowering the barrier for malicious actors<\/a>.\u200b<\/p>\n

The vulnerability impacts a wide range of MongoDB versions, spanning several major releases:\u200b<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Product<\/strong><\/th>\nAffected Versions<\/strong><\/th>\n<\/tr>\n<\/thead>\n
MongoDB<\/td>\n8.2.0 through 8.2.2<\/td>\n<\/tr>\n
MongoDB<\/td>\n8.0.0 through 8.0.16<\/td>\n<\/tr>\n
MongoDB<\/td>\n7.0.0 through 7.0.26<\/td>\n<\/tr>\n
MongoDB<\/td>\n6.0.0 through 6.0.26<\/td>\n<\/tr>\n
MongoDB<\/td>\n5.0.0 through 5.0.31<\/td>\n<\/tr>\n
MongoDB<\/td>\n4.4.0 through 4.4.29<\/td>\n<\/tr>\n
MongoDB<\/td>\nAll versions of 4.2<\/td>\n<\/tr>\n
MongoDB<\/td>\nAll versions of 4.0<\/td>\n<\/tr>\n
MongoDB<\/td>\nAll versions of 3.6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

MongoDB strongly recommends upgrading to the patched versions \u00a08.2.3, 8.0.17, 7.0.28, 6.0.27, 5.0.32, or 4.4.30.\u200b<\/p>\n

For organizations that cannot upgrade immediately, MongoDB recommends<\/a> a temporary workaround.<\/p>\n

Disable zlib compression by configuring mongod or mongos to omit zlib in the networkMessageCompressors or net. Compression\/compressor settings: Use safe alternatives such as Snappy or Zstd, or turn off compression.<\/p>\n

Exposing uninitialized heap memory can lead to information disclosure. Potentially revealing sensitive database contents, cryptographic keys<\/a>, or other confidential data residing in server memory.<\/p>\n

Security teams should prioritize patching MongoDB installations immediately to prevent potential data breaches<\/a>.<\/p>\n

Follow us on Google News<\/a>, LinkedIn<\/a>, and X<\/a> for daily cybersecurity updates. Contact us<\/a> to feature your stories.<\/strong><\/p>\n

The post Critical MongoDB Vulnerability Exposes Sensitive Data via Zlib Compression<\/a> appeared first on Cyber Security News<\/a>.<\/p>\n<\/div>\n

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Critical MongoDB Vulnerability Exposes Sensitive Data via Zlib Compression A critical security vulnerability, tracked as\u00a0CVE-2025-14847, that could allow attackers to extract uninitialized heap memory from database servers without authentication. The flaw resides in MongoDB\u2019s zlib compression implementation and affects multiple versions of the database platform.\u200b The vulnerability enables client-side exploitation of the MongoDB Server\u2019s zlib […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[129,63,648],"tags":[130],"class_list":["post-9446","post","type-post","status-publish","format-standard","hentry","category-cyber-security","category-cyber-security-news","category-vulnerability-news","tag-cyber-security-news"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/9446"}],"collection":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/comments?post=9446"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/9446\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=9446"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=9446"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=9446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}