Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
SmallRye Fault Tolerance (io.smallrye:smallrye-fault-tolerance-core) versions 6.3.0 up to but not including 6.4.2, and 6.5.0 up to but not including 6.9.0, are affected. An attacker who can send requests to the metrics URI can trigger repeated creation of new objects in a map, exhausting memory and causing a denial of service. Upgrade to version 6.4.2 or 6.9.0, depending on your release line.
Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 7.5 | High | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | CNA (redhat) |
- CISA KEV Not listed.
- EPSS 0.012, the 69th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 12 Mar 2025, 14:55 UTC Confirmed by the CVE List
- 12 Mar 2025, 15:15 UTC Confirmed by NVD
- 31 Oct 2026, 14:18 UTC First seen by agentprime
- 31 Oct 2026, 14:18 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-gfh6-3pqw-x2j4
- OSV: GHSA-gfh6-3pqw-x2j4
- nvd.nist.gov/vuln/detail/CVE-2025-2240
- github.com/smallrye/smallrye-fault-tolerance/pull/985
- github.com/smallrye/smallrye-fault-tolerance/pull/985/files#diff-88c4a089e0cb88e4bdf285490e2617c29b9979a778e33957e4448260e286b91aR299
- github.com/smallrye/smallrye-fault-tolerance/commit/e8bcad3d5e8bbac0a3219bd5c13661adf6ed6bbb
- access.redhat.com/errata/RHSA-2025:3376
- access.redhat.com/errata/RHSA-2025:3541
- access.redhat.com/errata/RHSA-2025:3543
- access.redhat.com/security/cve/CVE-2025-2240
- bugzilla.redhat.com/show_bug.cgi?id=2351452
- github.com/smallrye/smallrye-fault-tolerance
- smallrye.io/blog/fault-tolerance-6-9-0