TI-2025-12356 Aliases CVE-2025-13524 GHSA-c6ch-vfqm-whrq

Improper resource release in the call termination process in AWS Wickr before version…

LOW 30CWE-404Published 2025-11-21 · Updated 2025-11-21

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Active
Attack complexity: Low
Attack requirements: None
Impact type: Denial of service
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-404.

Summary

Improper resource release in the call termination process in AWS Wickr before version 6.62.13 on Windows, macOS and Linux may allow a call participant to continue receiving audio input from another user after they close their call window. This issue occurs under certain conditions, which require the affected user to take a particular action within the application To mitigate this issue, users should upgrade AWS Wickr, Wickr Gov and Wickr Enterprise desktop version to version 6.62.13.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00263 18th percentileScored 2026-11-07

Fix Fixed Wickr (AWS): 6.62.13Wickr Gov (AWS): 6.62.13+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
AWS	Wickr	—	6.62.13	Patch available	CNA
AWS	Wickr Gov	—	6.62.13	Patch available	CNA
AWS	Wickr Enterprise	—	6.62.13	Patch available	CNA

Wickr VendorAWS Affected — Fixed in 6.62.13 Patch available CNA
Wickr Gov VendorAWS Affected — Fixed in 6.62.13 Patch available CNA
Wickr Enterprise VendorAWS Affected — Fixed in 6.62.13 Patch available CNA

Remediation

Fix · CNA Wickr (AWS) Fixed in 6.62.13
Fix · CNA Wickr Gov (AWS) Fixed in 6.62.13
Fix · CNA Wickr Enterprise (AWS) Fixed in 6.62.13

Timeline

2026-10-02 Threatist record created from CVE-2025-13524
2026-10-03 Alias added: GHSA-c6ch-vfqm-whrq

References

Advisory 1

https://aws.amazon.com/security/security-bulletins/AWS-2025-029/

Other 1

https://docs.aws.amazon.com/wickr/latest/enterpriseadminguide/clients-release-notes-6.62.html

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Sources

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