chore(deps): update security updates [security]#496
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ℹ Artifact update noticeFile name: deployment/operator/go.modIn order to perform the update(s) described in the table above, Renovate ran the
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✅ Approve — automated reviewThis PR performs routine security-focused dependency updates to Go modules, including indirect dependency bumps across golang.org/x packages (mod, sync, sys, term, tools). All changes are version and checksum updates with no logic modifications. No reviewers identified regressions, inconsistencies, or other issues. The PR is safe to merge. No findings. |
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This PR contains the following updates:
v0.51.0->v0.52.0v0.54.0->v0.56.0v0.37.0->v0.39.0v1.81.1->v1.82.1GitHub Vulnerability Alerts
CVE-2026-46597
An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs.
CVE-2026-39828
When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as force-command after a second factor succeeded. Returning non-nil Permissions with PartialSuccessError now results in a connection error.
CVE-2026-39835
SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate. CertChecker now returns an error instead of panicking when these callbacks are nil.
CVE-2026-39827
An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for garbage collection.
CVE-2026-39830
A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now discarded.
CVE-2026-39829
The RSA and DSA public key parsers did not enforce size limits on key parameters. A crafted public key with an excessively large modulus or DSA parameter could cause several minutes of CPU consumption during signature verification. This could be triggered by unauthenticated clients during public key authentication. RSA moduli are now limited to 8192 bits, and DSA parameters are validated per FIPS 186-2.
CVE-2026-39831
The Verify() method for FIDO/U2F security key types (sk-ecdsa-sha2-nistp256@openssh.com, sk-ssh-ed25519@openssh.com) did not check the User Presence flag. Signatures generated without physical touch were accepted, allowing unattended use of a hardware security key. To restore the previous behavior, return a "no-touch-required" extension in Permissions.Extensions from PublicKeyCallback.
CVE-2026-39834
When writing data larger than 4GB in a single Write call on an SSH channel, an integer overflow in the internal payload size calculation caused the write loop to spin indefinitely, sending empty packets without making progress. The size comparison now uses int64 to prevent truncation.
CVE-2026-42508
Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.
CVE-2026-46595
Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of callback is passed other than public key, then the source-address validation would be skipped.
CVE-2026-39833
The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring() now returns an error when unsupported constraints are requested.
CVE-2026-39832
When adding a key to a remote agent constraint extensions such as restrict-destination-v00@openssh.com were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all constraint extensions. Additionally, the in-memory keyring returned by NewKeyring() now rejects keys with unsupported constraint extensions instead of silently ignoring them.
CVE-2026-46598
For certain crafted inputs, a 'ed25519.PrivateKey' was created by casting malformed wire bytes, leading to a panic when used.
golang.org/x/crypto: Invoking byte arithmetic causes underflow and panic
CVE-2026-46597 / GHSA-q4h4-gmj2-qvw2 / GO-2026-5013
More information
Details
An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HReferences
This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).
Invoking byte arithmetic causes underflow and panic in golang.org/x/crypto/ssh
CVE-2026-46597 / GHSA-q4h4-gmj2-qvw2 / GO-2026-5013
More information
Details
An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
golang.org/x/crypto vulnerable to infinite loop on large channel writes
CVE-2026-39834 / GHSA-rm3j-f69w-wqmq / GO-2026-5020
More information
Details
When writing data larger than 4GB in a single Write call on an SSH channel, an integer overflow in the internal payload size calculation caused the write loop to spin indefinitely, sending empty packets without making progress. The size comparison now uses int64 to prevent truncation.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:HReferences
This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).
Invoking client can cause server deadlock on unexpected responses in golang.org/x/crypto/ssh
CVE-2026-39830 / GHSA-vgwf-h737-ff37 / GO-2026-5017
More information
Details
A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now discarded.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Invoking server panic during CheckHostKey/Authenticate in golang.org/x/crypto/ssh
CVE-2026-39835 / GHSA-78mq-xcr3-xm33 / GO-2026-5015
More information
Details
SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate. CertChecker now returns an error instead of panicking when these callbacks are nil.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Invoking agent constraints dropped when forwarding keys in golang.org/x/crypto/ssh/agent
CVE-2026-39832 / GHSA-f5wc-c3c7-36mc / GO-2026-5006
More information
Details
When adding a key to a remote agent constraint extensions such as restrict-destination-v00@openssh.com were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all constraint extensions. Additionally, the in-memory keyring returned by NewKeyring() now rejects keys with unsupported constraint extensions instead of silently ignoring them.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
golang.org/x/crypto: Invoking pathological inputs can lead to client panic
CVE-2026-46598 / GHSA-9m57-25v3-79x9 / GO-2026-5033
More information
Details
For certain crafted inputs, a 'ed25519.PrivateKey' was created by casting malformed wire bytes, leading to a panic when used.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LReferences
This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).
Invoking pathological inputs can lead to client panic in golang.org/x/crypto/ssh/agent
CVE-2026-46598 / GHSA-9m57-25v3-79x9 / GO-2026-5033
More information
Details
For certain crafted inputs, a 'ed25519.PrivateKey' was created by casting malformed wire bytes, leading to a panic when used.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Invoking key constraints not enforced in golang.org/x/crypto/ssh/agent
CVE-2026-39833 / GHSA-jppx-rxg9-jmrx / GO-2026-5005
More information
Details
The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring() now returns an error when unsupported constraints are requested.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Invoking memory leak when rejecting channels can lead to DoS in golang.org/x/crypto/ssh
CVE-2026-39827 / GHSA-qpw4-5x99-6vjp / GO-2026-5016
More information
Details
An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for garbage collection.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Invoking pathological RSA/DSA parameters may cause DoS in golang.org/x/crypto/ssh
CVE-2026-39829 / GHSA-w879-237q-wc7r / GO-2026-5018
More information
Details
The RSA and DSA public key parsers did not enforce size limits on key parameters. A crafted public key with an excessively large modulus or DSA parameter could cause several minutes of CPU consumption during signature verification. This could be triggered by unauthenticated clients during public key authentication. RSA moduli are now limited to 8192 bits, and DSA parameters are validated per FIPS 186-2.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
golang.org/x/crypto: Invoking pathological RSA/DSA parameters may cause DoS
CVE-2026-39829 / GHSA-w879-237q-wc7r / GO-2026-5018
More information
Details
The RSA and DSA public key parsers did not enforce size limits on key parameters. A crafted public key with an excessively large modulus or DSA parameter could cause several minutes of CPU consumption during signature verification. This could be triggered by unauthenticated clients during public key authentication. RSA moduli are now limited to 8192 bits, and DSA parameters are validated per FIPS 186-2.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HReferences
This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).
Invoking bypass of FIDO/U2F security keys physical interaction in golang.org/x/crypto/ssh
CVE-2026-39831 / GHSA-89gr-r52h-f8rx / GO-2026-5019
More information
Details
The Verify() method for FIDO/U2F security key types (sk-ecdsa-sha2-nistp256@openssh.com, sk-ssh-ed25519@openssh.com) did not check the User Presence flag. Signatures generated without physical touch were accepted, allowing unattended use of a hardware security key. To restore the previous behavior, return a "no-touch-required" extension in Permissions.Extensions from PublicKeyCallback.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Invoking VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x/crypto/ssh
CVE-2026-46595 / GHSA-x527-x647-q7gg / GO-2026-5023
More information
Details
Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of callback is passed other than public key, then the source-address validation would be skipped.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts
CVE-2026-42508 / GHSA-5cgq-3rg8-m6cv / GO-2026-5021
More information
Details
Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
golang.org/x/crypto: FIDO/U2F security key physical presence check can be bypassed
CVE-2026-39831 / GHSA-89gr-r52h-f8rx / GO-2026-5019
More information
Details
The Verify() method for FIDO/U2F security key types (sk-ecdsa-sha2-nistp256@openssh.com, sk-ssh-ed25519@openssh.com) did not check the User Presence flag. Signatures generated without physical touch were accepted, allowing unattended use of a hardware security key. To restore the previous behavior, return a "no-touch-required" extension in Permissions.Extensions from PublicKeyCallback.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NReferences
This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).
Invoking bypass of certificate restrictions in golang.org/x/crypto/ssh
CVE-2026-39828 / GHSA-45gg-vh54-h5m9 / GO-2026-5014
More information
Details
When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as force-command after a second factor succeeded. Returning non-nil Permissions with PartialSuccessError now results in a connection error.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
golang.org/x/crypto: Invoking VerifiedPublicKeyCallback permissions skip enforcement
CVE-2026-46595 / GHSA-x527-x647-q7gg / GO-2026-5023
More information
Details
Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of callback is passed other than public key, then the source-address validation would be skipped.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:LReferences
This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).
Invoking infinite loop on large channel writes in golang.org/x/crypto/ssh
CVE-2026-39834 / GHSA-rm3j-f69w-wqmq / GO-2026-5020
More information
Details
When writing data larger than 4GB in a single Write call on an SSH channel, an integer overflow in the internal payload size calculation caused the write loop to spin indefinitely, sending empty packets without making progress. The size comparison now uses int64 to prevent truncation.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
golang.org/x/crypto vulnerable to invoking bypass of certificate restrictions
CVE-2026-39828 / GHSA-45gg-vh54-h5m9 / GO-2026-5014
More information
Details
When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as force-command after a second factor succeeded. Returning non-nil Permissions with PartialSuccessError now results in a connection error.
Severity
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LReferences
This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).
golang.org/x/crypto is vulnerable to invoking server panic during CheckHostKey/Authenticate flow
CVE-2026-39835 / GHSA-78mq-xcr3-xm33 / GO-2026-5015
More information
Details
SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate. CertChecker now returns an error instead of panicking when these callbacks are nil.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LReferences
This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).
golang.org/x/crypto doesn't drop invoking agent constraints when forwarding keys
CVE-2026-39832 / GHSA-f5wc-c3c7-36mc / GO-2026-5006
More information
Details
When adding a key to a remote agent constraint extensions such as restrict-destination-v00@openssh.com were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all constraint extensions. Additionally, the in-memory keyring returned by NewKeyring() now rejects keys with unsupported constraint extensions instead of silently ignoring them.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NReferences
This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).
golang.org/x/crypto vulnerable to auth bypass via unenforced @revoked status
CVE-2026-42508 / GHSA-5cgq-3rg8-m6cv / GO-2026-5021
More information
Details
Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NReferences
This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).
golang.org/x/crypto: Invoking memory leak when rejecting channels can lead to DoS
CVE-2026-39827 / GHSA-qpw4-5x99-6vjp / GO-2026-5016
More information
Details
An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for garbage collection.
Severity
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HReferences
This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).
golang.org/x/crypto: Invoking client can cause server deadlock on unexpected responses
CVE-2026-39830 / GHSA-vgwf-h737-ff37 / GO-2026-5017
More information
Details
A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now discarded.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HReferences