CVE-2015-5470
Description
The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1868.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 3.4.5-1 |
| sid | Fixed | 3.4.5-1 |
| forky | Fixed | 3.4.5-1 |
| bullseye | Fixed | 3.4.5-1 |
| bookworm | Fixed | 3.4.5-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| powerdns | authoritative | {"endIncluding":"3.3.2"} | |
| powerdns | authoritative | 3.4.0 | |
| powerdns | authoritative | 3.4.1 | |
| powerdns | authoritative | 3.4.2 | |
| powerdns | authoritative | 3.4.3 | |
| powerdns | authoritative | 3.4.4 | |
| powerdns | recursor | {"endIncluding":"3.6.3"} | |
| powerdns | recursor | 3.7.1 | |
| powerdns | recursor | 3.7.2 | |
References
CWEs
CWE-399
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.