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6.5
CVE-2025-59328: Apache Fory: Remote Attack Can Freeze Your Server
CVE-2025-59328 · published 1 year ago
Summary
Apache Fory, a library used in some software, has a bug that allows a hacker to overload your server with fake data, making it unresponsive. This can happen if you're using a vulnerable version of Apache Fory. To fix this, update to the latest version (0.12.2 or later) and release new versions of your software that use the updated library.
What to do
- Update apache org.apache.fory:fory-core to version 0.12.2.
- Update apache fory to version 0.12.2 or later.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| maven | apache | org.apache.fory:fory-core |
< 0.12.2 Fix: upgrade to 0.12.2
|
| – | apache | fory |
>= 0.5.0, < 0.12.2 cpe:2.3:a:apache:fory:*:*:*:*:*:*:*:* |
Original advisory text
Apache Fory: Denial of Service (DoS) due to Deserialization of Untrusted malicious large Data
A vulnerability in Apache Fory allows a remote attacker to cause a Denial of Service (DoS). The issue stems from the insecure deserialization of untrusted data. An attacker can supply a large, specially crafted data payload that, when processed, consumes an excessive amount of CPU resources during the deserialization process. This leads to CPU exhaustion, rendering the application or system using the Apache Fory library unresponsive and unavailable to legitimate users.
Users of Apache Fory are strongly advised to upgrade to version 0.12.2 or later to mitigate this vulnerability. Developers of libraries and applications that depend on Apache Fory should update their dependency requirements to Apache Fory 0.12.2 or later and release new versions of their software.
Users of Apache Fory are strongly advised to upgrade to version 0.12.2 or later to mitigate this vulnerability. Developers of libraries and applications that depend on Apache Fory should update their dependency requirements to Apache Fory 0.12.2 or later and release new versions of their software.
References
- https://github.com/apache/fory/pull/2578
- https://fory.apache.org/security
- https://nvd.nist.gov/vuln/detail/CVE-2025-59328 Vendor Advisory
- https://github.com/apache/fory/commit/c3b4d3fe389e38495aeb8301d75da1ab658f0c6e
- https://github.com/apache/fory/releases/tag/v0.12.2
- https://github.com/advisories/GHSA-5hmf-8wx5-4qq3
- https://repo.maven.apache.org/maven2 URL
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/59xxx/CVE-2025-59328... Vendor Advisory
- http://www.openwall.com/lists/oss-security/2025/09/15/1 URL
- https://fory.apache.org/security/ Vendor Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker partial control
Type
CWE-502Deserialization of Untrusted Data
Timeline
Published15 Sep 2025
Updated31 Oct 2026
First seen6 Mar 2026
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