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CVE-2026-64773

HIGH
7.5
CVSS Score
Published: August 20, 2026 at 09:16 PM UTC
Updated: October 19, 2026 at 08:48 PM UTC
1 product affected across 1 vendorContainer

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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

An attacker that can reach a container's published TCP port may be able to force the host's forwarding process to buffer an unbounded amount of that client's data in memory, for as long as the backend container connection takes to complete — with no cap on how much accumulates or how long the wait can be stretched. This vulnerability is addressed in container version 1.2.0.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Container· Apple
95%
0.3.0 ≤ v < 1.2.0
Affected range stops below 1.2.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

PatchVendor AdvisoryMitigation
Source: cverecord
https://github.com/apple/container/security/advisories/GHSA-wg28-286f-56v6

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-770

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