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When verifying a certificate chain containing excluded DNS constraints, these constraints are not correctly applied to wildcard DNS SANs which use a different case than the constraint.
This only affects validation of otherwise trusted certificate chains, issued by a root CA in the VerifyOptions.Roots CertPool, or in the system certificate pool.
Affected range
>=1.26.0-0 <1.26.2
Fixed version
1.26.2
EPSS Score
0.015%
EPSS Percentile
3rd percentile
Description
If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service.
This only affects TLS 1.3.
Affected range
>=1.26.0-0 <1.26.2
Fixed version
1.26.2
EPSS Score
0.018%
EPSS Percentile
4th percentile
Description
Validating certificate chains which use policies is unexpectedly inefficient when certificates in the chain contain a very large number of policy mappings, possibly causing denial of service.
This only affects validation of otherwise trusted certificate chains, issued by a root CA in the VerifyOptions.Roots CertPool, or in the system certificate pool.
Affected range
>=1.26.0-0 <1.26.2
Fixed version
1.26.2
EPSS Score
0.017%
EPSS Percentile
4th percentile
Description
During chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial of service. This affects both direct users of crypto/x509 and users of crypto/tls.
Affected range
>=1.26.0-0 <1.26.2
Fixed version
1.26.2
EPSS Score
0.008%
EPSS Percentile
1st percentile
Description
On Linux, if the target of Root.Chmod is replaced with a symlink while the chmod operation is in progress, Chmod can operate on the target of the symlink, even when the target lies outside the root.
The Linux fchmodat syscall silently ignores the AT_SYMLINK_NOFOLLOW flag, which Root.Chmod uses to avoid symlink traversal. Root.Chmod checks its target before acting and returns an error if the target is a symlink lying outside the root, so the impact is limited to cases where the target is replaced with a symlink between the check and operation.
Affected range
>=1.26.0-0 <1.26.2
Fixed version
1.26.2
EPSS Score
0.010%
EPSS Percentile
1st percentile
Description
Context was not properly tracked across template branches for JS template literals, leading to possibly incorrect escaping of content when branches were used. Additionally template actions within JS template literals did not properly track the brace depth, leading to incorrect escaping being applied.
These issues could cause actions within JS template literals to be incorrectly or improperly escaped, leading to XSS vulnerabilities.
Affected range
>=1.26.0-0 <1.26.2
Fixed version
1.26.2
EPSS Score
0.004%
EPSS Percentile
0th percentile
Description
tar.Reader can allocate an unbounded amount of memory when reading a maliciously-crafted archive containing a large number of sparse regions encoded in the "old GNU sparse map" format.
Authentication Bypass Using an Alternate Path or Channel
Affected range
<29.3.1
Fixed version
Not Fixed
CVSS Score
8.8
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS Score
0.014%
EPSS Percentile
2nd percentile
Description
Summary
A security vulnerability has been detected that allows attackers to bypass authorization plugins (AuthZ) under specific circumstances. The base likelihood of this being exploited is low.
If you don't use AuthZ plugins, you are not affected.
Using a specially-crafted API request, an attacker could make the Docker daemon forward the request to an authorization plugin without the body. The authorization plugin may allow a request which it would have otherwise denied if the body had been forwarded to it.
Anyone who depends on authorization plugins that introspect the request body to make access control decisions is potentially impacted.
Workarounds
If unable to update immediately:
Avoid using AuthZ plugins that rely on request body inspection for security decisions.
Restrict access to the Docker API to trusted parties, following the principle of least privilege.
A security vulnerability has been detected that allows plugins privilege validation to be bypassed during docker plugin install. Due to an error in the daemon's privilege comparison logic, the daemon may incorrectly accept a privilege set that differs from the one approved by the user.
Plugins that request exactly one privilege are also affected, because no comparison is performed at all.
Impact
If plugins are not in use, there is no impact.
When a plugin is installed, the daemon computes the privileges required by the plugin's configuration and compares them with the privileges approved during installation. A malicious plugin can exploit this bug so that the daemon accepts privileges that differ from what was intended to be approved.
Anyone who depends on the plugin installation approval flow as a meaningful security boundary is potentially impacted.
Depending on the privilege set involved, this may include highly sensitive plugin permissions such as broad device access.
For consideration: exploitation still requires a plugin to be installed from a malicious source, and Docker plugins are relatively uncommon. Docker Desktop also does not support plugins.
Workarounds
If unable to update immediately:
Do not install plugins from untrusted sources
Carefully review all privileges requested during docker plugin install
Restrict access to the Docker daemon to trusted parties, following the principle of least privilege
Avoid relying on plugin privilege approval as the only control boundary for sensitive environments
Credits
Reported by Cody (c@wormhole.guru, PGP 0x9FA5B73E)
Missing Initialization of Resource
Affected range
>=26.0.0-rc1 <28.0.0
Fixed version
28.0.0
CVSS Score
3.3
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
EPSS Score
0.007%
EPSS Percentile
0th percentile
Description
Moby is an open source container framework developed by Docker Inc. that is distributed as Docker Engine, Mirantis Container Runtime, and various other downstream projects/products. The Moby daemon component (dockerd), which is developed as moby/moby is commonly referred to as Docker, or Docker Engine.
Firewalld is a daemon used by some Linux distributions to provide a dynamically managed firewall. When Firewalld is running, Docker uses its iptables backend to create rules, including rules to isolate containers in one bridge network from containers in other bridge networks.
Impact
The iptables rules created by Docker are removed when firewalld is reloaded using, for example "firewall-cmd --reload", "killall -HUP firewalld", or "systemctl reload firewalld".
When that happens, Docker must re-create the rules. However, in affected versions of Docker, the iptables rules that isolate containers in different bridge networks from each other are not re-created.
Once these rules have been removed, containers have access to any port, on any container, in any non-internal bridge network, running on the Docker host.
Containers running in networks created with --internal or equivalent have no access to other networks. Containers that are only connected to these networks remain isolated after a firewalld reload.
Where Docker Engine is not running in the host's network namespace, it is unaffected. Including, for example, Rootless Mode, and Docker Desktop.
Patches
Moby releases 28.0.0 and newer are not affected. A fix is available in moby release 25.0.13.
Docker CLI for Windows searches for plugin binaries in C:\ProgramData\Docker\cli-plugins, a directory that does not exist by default. A low-privileged attacker can create this directory and place malicious CLI plugin binaries (docker-compose.exe, docker-buildx.exe, etc.) that are executed when a victim user opens Docker Desktop or invokes Docker CLI plugin features, and allow privilege-escalation if the docker CLI is executed as a privileged user.
This issue affects Docker CLI through v29.1.5 (fixed in v29.2.0). It impacts Windows binaries acting as a CLI plugin manager via the [github.com/docker/cli/cli-plugins/manager](https://pkg.go.dev/github.com/docker/cli@v29.1.5+incompatible/cli-plugins/manager) package, which is consumed by downstream projects such as Docker Compose.
Docker Compose became affected starting in v2.31.0, when it incorporated the relevant CLI plugin manager code (see docker/compose#12300), and is fixed in v5.1.0.
This issue does not impact non-Windows binaries or projects that do not use the plugin manager code.
Patches
Fixed version starts with 29.2.0
This issue was fixed in docker/cli@1375933 (docker/cli#6713), which removed %PROGRAMDATA%\Docker\cli-plugins from the list of paths used for plugin-discovery on Windows.
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This PR contains the following updates:
0.4.37→0.4.38Warning
Some dependencies could not be looked up. Check the Dependency Dashboard for more information.
Release Notes
superfly/flyctl (flyctl)
v0.4.38Compare Source
Changelog
73dcb17chore(deps): bump github.com/mark3labs/mcp-go from 0.47.0 to 0.48.0 (#4845)d202c0dchore(deps): bump github.com/getsentry/sentry-go from 0.45.0 to 0.45.1 (#4846)e70e77bchore(deps): bump github.com/spf13/viper from 1.20.1 to 1.21.0 (#4847)16d692achore(deps): bump github.com/nats-io/nats.go from 1.43.0 to 1.50.0 (#4848)Configuration
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