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No advisories yet.
Solution
This issue is fixed in 4.15.3 and all later versions.
Workaround
No workaround given by the vendor.
| Link | Providers |
|---|---|
| https://www.nlnetlabs.nl/downloads/nsd/CVE-2026-101338.txt |
|
Wed, 14 Oct 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 14 Oct 2026 11:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | When a SVCB or HTTPS RR has filled the wire format RDATA up to the brim, another ECH parameter may overwrite the stack, and once beyond the limit, the base64 decoder can write attacker controlled data of unlimited size. Zone files which are written out by NSD itself, such as for zones for which the NSD instance is secondary, will not be formatted like this. The zone file must be fed to NSD directly, (but it could come, for example, from an operator controlled provisioning system). | |
| Title | Stack overwrite from a specially crafted and formatted SVCB or HTTPS RR | |
| Weaknesses | CWE-121 | |
| References |
| |
| Metrics |
cvssV4_0
|
Projects
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Status: PUBLISHED
Assigner: NLnet Labs
Published:
Updated: 2026-10-14T14:09:20.163Z
Reserved: 2026-09-28T14:39:03.778Z
Link: CVE-2026-101338
Updated: 2026-10-14T14:09:16.177Z
Status : Received
Published: 2026-10-14T11:16:57.130
Modified: 2026-10-14T14:17:29.820
Link: CVE-2026-101338
No data.
OpenCVE Enrichment
Updated: 2026-10-14T14:00:17Z