CVE-2025-14847 The advisory has been revoked - it doesn't affect any version of package rsync (opens in a new tab)
Threat Intelligence
Snyk has reported that there have been attempts or successful attacks targeting this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU2004-RSYNC-14548275
- published23 Dec 2025
- disclosed19 Dec 2025
Introduced: 19 Dec 2025
CVE-2025-14847 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:20.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rsync package and not the rsync package as distributed by Ubuntu.
Mismatched length fields in Zlib compressed protocol headers may allow a read of uninitialized heap memory by an unauthenticated client. This issue affects all MongoDB Server v7.0 prior to 7.0.28 versions, MongoDB Server v8.0 versions prior to 8.0.17, MongoDB Server v8.2 versions prior to 8.2.3, MongoDB Server v6.0 versions prior to 6.0.27, MongoDB Server v5.0 versions prior to 5.0.32, MongoDB Server v4.4 versions prior to 4.4.30, MongoDB Server v4.2 versions greater than or equal to 4.2.0, MongoDB Server v4.0 versions greater than or equal to 4.0.0, and MongoDB Server v3.6 versions greater than or equal to 3.6.0.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2025-14847
- https://jira.mongodb.org/browse/SERVER-115508
- http://www.openwall.com/lists/oss-security/2025/12/29/21
- https://www.vicarius.io/vsociety/posts/cve-2025-14847-detection-script-heap-memory-exposure-in-mongodb-server
- https://www.vicarius.io/vsociety/posts/cve-2025-14847-mitigation-script-heap-memory-exposure-in-mongodb-server
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-14847
- https://www.smartkeyss.com/post/mongobleed-pre-auth-memory-disclosure-via-op_compressed-in-mongodb-cve-2025-14847
- https://github.com/Security-Phoenix-demo/mongobleed-exploit-CVE-2025-14847
- https://github.com/projectdiscovery/nuclei-templates/blob/main/javascript/cves/2025/CVE-2025-14847.yaml
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog