apk package
chainguard/mattermost-11.6
pkg:apk/chainguard/mattermost-11.6
Vulnerabilities (20)
| CVE | Sev | CVSS | KEV | Affected versions | Fixed in | Published | Description |
|---|---|---|---|---|---|---|---|
| CVE-2026-46602 | — | < 11.6.6-r1 | 11.6.6-r1 | Jun 27, 2026 | The TIFF decoder does not set a limit on the size of tiles in tiled images, permitting a malicious or corrupt image containing a very large tile to cause unbounded memory consumption. | ||
| CVE-2026-46601 | mod | 6.5 | < 11.6.6-r1 | 11.6.6-r1 | Jun 25, 2026 | golang.org/x/image/webp: golang.org/x/image/webp: Denial of Service via malformed VP8 chunk in WebP images | |
| CVE-2026-46598 | Med | 5.3 | < 0 | 0 | May 22, 2026 | For certain crafted inputs, a 'ed25519.PrivateKey' was created by casting malformed wire bytes, leading to a panic when used. | |
| CVE-2026-46597 | Hig | 7.5 | < 0 | 0 | May 22, 2026 | An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs. | |
| CVE-2026-46595 | Cri | 10.0 | < 0 | 0 | May 22, 2026 | 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-2026-42508 | Cri | 9.1 | < 0 | 0 | May 22, 2026 | 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-2026-39835 | Med | 5.3 | < 0 | 0 | May 22, 2026 | 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-2026-39834 | Cri | 9.1 | < 0 | 0 | May 22, 2026 | 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 trunca | |
| CVE-2026-39833 | Cri | 9.1 | < 0 | 0 | May 22, 2026 | 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 a | |
| CVE-2026-39832 | Cri | 9.1 | < 0 | 0 | May 22, 2026 | 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 | |
| CVE-2026-39831 | Cri | 9.1 | < 0 | 0 | May 22, 2026 | 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 | |
| CVE-2026-39830 | Cri | 9.1 | < 0 | 0 | May 22, 2026 | 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 | |
| CVE-2026-39829 | Hig | 7.5 | < 0 | 0 | May 22, 2026 | 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 clien | |
| CVE-2026-39828 | Med | 6.3 | < 0 | 0 | May 22, 2026 | 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 Par | |
| CVE-2026-39827 | Med | 6.5 | < 0 | 0 | May 22, 2026 | 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 | |
| CVE-2026-33814 | Hig | 7.5 | < 0 | 0 | May 7, 2026 | When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0. | |
| CVE-2026-33813 | Hig | 7.5 | < 11.6.2-r1 | 11.6.2-r1 | Apr 21, 2026 | Parsing a WEBP image with an invalid, large size panics on 32-bit platforms. | |
| CVE-2026-33812 | Med | 6.1 | < 0 | 0 | Apr 21, 2026 | Parsing a malicious font file can cause excessive memory allocation. | |
| CVE-2022-4045 | — | < 0 | 0 | Nov 23, 2022 | A denial-of-service vulnerability in the Mattermost allows an authenticated user to crash the server via multiple requests to one of the API endpoints which could fetch a large amount of data. | ||
| CVE-2022-4019 | — | < 0 | 0 | Nov 23, 2022 | A denial-of-service vulnerability in the Mattermost Playbooks plugin allows an authenticated user to crash the server via multiple large requests to one of the Playbooks API endpoints. |
- CVE-2026-46602Jun 27, 2026affected < 11.6.6-r1fixed 11.6.6-r1
The TIFF decoder does not set a limit on the size of tiles in tiled images, permitting a malicious or corrupt image containing a very large tile to cause unbounded memory consumption.
- affected < 11.6.6-r1fixed 11.6.6-r1
golang.org/x/image/webp: golang.org/x/image/webp: Denial of Service via malformed VP8 chunk in WebP images
- affected < 0fixed 0
For certain crafted inputs, a 'ed25519.PrivateKey' was created by casting malformed wire bytes, leading to a panic when used.
- affected < 0fixed 0
An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs.
- affected < 0fixed 0
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.
- affected < 0fixed 0
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.
- affected < 0fixed 0
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.
- affected < 0fixed 0
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 trunca
- affected < 0fixed 0
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 a
- affected < 0fixed 0
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
- affected < 0fixed 0
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
- affected < 0fixed 0
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
- affected < 0fixed 0
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 clien
- affected < 0fixed 0
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 Par
- affected < 0fixed 0
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
- affected < 0fixed 0
When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.
- affected < 11.6.2-r1fixed 11.6.2-r1
Parsing a WEBP image with an invalid, large size panics on 32-bit platforms.
- affected < 0fixed 0
Parsing a malicious font file can cause excessive memory allocation.
- CVE-2022-4045Nov 23, 2022affected < 0fixed 0
A denial-of-service vulnerability in the Mattermost allows an authenticated user to crash the server via multiple requests to one of the API endpoints which could fetch a large amount of data.
- CVE-2022-4019Nov 23, 2022affected < 0fixed 0
A denial-of-service vulnerability in the Mattermost Playbooks plugin allows an authenticated user to crash the server via multiple large requests to one of the Playbooks API endpoints.