CVE-2026-78659

unknown

Assigned by CNA: go

Published 2026-10-08 · Modified 2026-10-08

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

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Description

HTTP/2 server memory exhaustion due to Trailer headers in net/http

Predictions

Exploit likelihood

20%

Patch ETA

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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 with source_tier=community-verified.

OS impact

Debian Affected 4 releases

Version	Status	Fixed in
trixie	Affected	—
sid	Affected	—
forky	Affected	—
bookworm	Affected	—

Package impact

Ecosystem	Package	Vulnerable	Fixed
Go	stdlib	`<1.26.9`	`1.26.9`
Go	stdlib	`>=1.27.0-0,<1.27.2`	`1.27.2`
Go	golang.org/x/net	`<0.60.0`	`0.60.0`

References

CWEs

CWE-405:

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.