S3 storage write is not aborted on errors leading to unbounded memory usage
Key facts
- Attack vector
- —
- Privileges required
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- User interaction
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- Attack complexity
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- Impact type
- Denial of service
- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub. Impact type from CWE-772.
Summary
### Impact Anyone using storage.blob.s3 introduced in 0.5.0 with storage.imapsql. ``` storage.imapsql local_mailboxes { ... msg_store s3 { ... } } ``` ### Patches The relevant commit is pushed to master and will be included in the 0.5.1 release. No special handling of the issue has been done due to the small amount of affected users. ### Workarounds None. ### References * Original report: https://github.com/foxcpp/maddy/issues/395 * Fix: https://github.com/foxcpp/maddy/commit/07c8495ee4394fabbf5aac4df8aebeafb2fb29d8
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | github.com/foxcpp/maddy (Go) | before 0.5.1 | 0.5.1 | Patch available | GHSA-m6m5-pp4g-fcc8 |
- github.com/foxcpp/maddy (Go) Vendor— Affected before 0.5.1 Fixed in 0.5.1 Patch available GHSA-m6m5-pp4g-fcc8
Remediation
- Fix · GHSA-m6m5-pp4g-fcc8 github.com/foxcpp/maddy (Go) Fixed in 0.5.1 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-m6m5-pp4g-fcc8
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences