Control: retitle -1 tkeyclient: Error in Protocol Implementation 
(CVE-2026-32953)

Hi Simon,

On Mon, Mar 16, 2026 at 10:56:51PM +0100, Simon Josefsson wrote:
> Package: golang-github-tillitis-tkeyclient
> Version: 1.2.0-2
> X-Debbugs-CC: [email protected]
> Tags: security
> 
> This is a bug to track the security vulnerability described here:
> 
> https://github.com/tillitis/tkeyclient/security/advisories/GHSA-4w7r-3222-8h6v
> 
> I have uploaded 1.3.0-1 before being asked to open a bug report about
> the problem, so I can't close this bug report with the upload that fixes
> it, but will mark the bug as fixed with 1.3.0-1.
> 
> This library is used by 'tkey-ssh-agent' which I will upload next.  The
> new upstream version makes use of new features in tkeyclient to
> implement upstream's recommended upgrade path to deal with the security
> problem.
> 
> As far as I know, no CVE has been associated with this yet, but upstream
> (and I) hang out in #tillitis on Matrix/OFTC and I've asked if they want
> a CVE allocated, but no reply yet.

A CVE has been assigned for this issue, it is CVE-2026-32953. I do not
see it yet published on MITRE, but the GHSA has it already.

Thanks again for the IRC heads-up!

Regards,
Salvatore

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