Merge pull request #3338 from ClearlyClaire/glitch-soc/merge-4.3

Merge upstream changes up to 004f3aa235 into stable-4.3

CHANGELOG.md

@@ -2,6 +2,29 @@
 
 All notable changes to this project will be documented in this file.
 
+## [4.3.17] - 2026-01-07
+
+### Security
+
+- Fix SSRF protection bypass ([GHSA](https://github.com/mastodon/mastodon/security/advisories/GHSA-xfrj-c749-jxxq))
+- Fix missing ownership check in severed relationships controller ([GHSA](https://github.com/mastodon/mastodon/security/advisories/GHSA-ww85-x9cp-5v24))
+
+### Fixed
+
+- Fix mentions of domain-blocked users being processed (#37257 by @ClearlyClaire)
+
+## [4.3.16] - 2025-12-08
+
+### Security
+
+- Fix inconsistent error handling leaking information on existence of private posts ([GHSA-gwhw-gcjx-72v8](https://github.com/mastodon/mastodon/security/advisories/GHSA-gwhw-gcjx-72v8))
+
+### Fixed
+
+- Fix YouTube embeds by sending referer (#37126 by @ChaosExAnima)
+- Fix YouTube iframe not being able to start at a defined time (#26584 by @BrunoViveiros)
+- Fix known expensive S3 batch delete operation failing because of short timeouts (#37004 by @ClearlyClaire)
+
 ## [4.3.15] - 2025-11-20
 
 ### Fixed

app/controllers/activitypub/likes_controller.rb

@@ -22,7 +22,7 @@ class ActivityPub::LikesController < ActivityPub::BaseController
   def set_status
     @status = @account.statuses.find(params[:status_id])
     authorize @status, :show?
-  rescue Mastodon::NotPermittedError
+  rescue ActiveRecord::RecordNotFound, Mastodon::NotPermittedError
     not_found
   end
 

app/controllers/activitypub/replies_controller.rb

@@ -25,7 +25,7 @@ class ActivityPub::RepliesController < ActivityPub::BaseController
   def set_status
     @status = @account.statuses.find(params[:status_id])
     authorize @status, :show?
-  rescue Mastodon::NotPermittedError
+  rescue ActiveRecord::RecordNotFound, Mastodon::NotPermittedError
     not_found
   end
 

app/controllers/activitypub/shares_controller.rb

@@ -22,7 +22,7 @@ class ActivityPub::SharesController < ActivityPub::BaseController
   def set_status
     @status = @account.statuses.find(params[:status_id])
     authorize @status, :show?
-  rescue Mastodon::NotPermittedError
+  rescue ActiveRecord::RecordNotFound, Mastodon::NotPermittedError
     not_found
   end
 

app/controllers/api/v1/polls/votes_controller.rb

@@ -17,7 +17,7 @@ class Api::V1::Polls::VotesController < Api::BaseController
   def set_poll
     @poll = Poll.attached.find(params[:poll_id])
     authorize @poll.status, :show?
-  rescue Mastodon::NotPermittedError
+  rescue ActiveRecord::RecordNotFound, Mastodon::NotPermittedError
     not_found
   end
 

app/controllers/api/v1/polls_controller.rb

@@ -17,7 +17,7 @@ class Api::V1::PollsController < Api::BaseController
   def set_poll
     @poll = Poll.attached.find(params[:id])
     authorize @poll.status, :show?
-  rescue Mastodon::NotPermittedError
+  rescue ActiveRecord::RecordNotFound, Mastodon::NotPermittedError
     not_found
   end
 

app/controllers/api/v1/statuses/base_controller.rb

@@ -10,7 +10,7 @@ class Api::V1::Statuses::BaseController < Api::BaseController
   def set_status
     @status = Status.find(params[:status_id])
     authorize @status, :show?
-  rescue Mastodon::NotPermittedError
+  rescue ActiveRecord::RecordNotFound, Mastodon::NotPermittedError
     not_found
   end
 end

app/controllers/api/v1/statuses/bookmarks_controller.rb

@@ -23,7 +23,7 @@ class Api::V1::Statuses::BookmarksController < Api::V1::Statuses::BaseController
     bookmark&.destroy!
 
     render json: @status, serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new([@status], current_account.id, bookmarks_map: { @status.id => false })
-  rescue Mastodon::NotPermittedError
+  rescue ActiveRecord::RecordNotFound, Mastodon::NotPermittedError
     not_found
   end
 end

app/controllers/api/v1/statuses/favourites_controller.rb

@@ -25,7 +25,7 @@ class Api::V1::Statuses::FavouritesController < Api::V1::Statuses::BaseControlle
 
     relationships = StatusRelationshipsPresenter.new([@status], current_account.id, favourites_map: { @status.id => false }, attributes_map: { @status.id => { favourites_count: count } })
     render json: @status, serializer: REST::StatusSerializer, relationships: relationships
-  rescue Mastodon::NotPermittedError
+  rescue ActiveRecord::RecordNotFound, Mastodon::NotPermittedError
     not_found
   end
 end

app/controllers/api/v1/statuses/reblogs_controller.rb

@@ -36,7 +36,7 @@ class Api::V1::Statuses::ReblogsController < Api::V1::Statuses::BaseController
 
     relationships = StatusRelationshipsPresenter.new([@status], current_account.id, reblogs_map: { @reblog.id => false }, attributes_map: { @reblog.id => { reblogs_count: count } })
     render json: @reblog, serializer: REST::StatusSerializer, relationships: relationships
-  rescue Mastodon::NotPermittedError
+  rescue ActiveRecord::RecordNotFound, Mastodon::NotPermittedError
     not_found
   end
 
@@ -45,7 +45,7 @@ class Api::V1::Statuses::ReblogsController < Api::V1::Statuses::BaseController
   def set_reblog
     @reblog = Status.find(params[:status_id])
     authorize @reblog, :show?
-  rescue Mastodon::NotPermittedError
+  rescue ActiveRecord::RecordNotFound, Mastodon::NotPermittedError
     not_found
   end
 

app/controllers/api/v1/statuses_controller.rb

@@ -127,7 +127,7 @@ class Api::V1::StatusesController < Api::BaseController
   def set_status
     @status = Status.find(params[:id])
     authorize @status, :show?
-  rescue Mastodon::NotPermittedError
+  rescue ActiveRecord::RecordNotFound, Mastodon::NotPermittedError
     not_found
   end
 

app/controllers/api/web/embeds_controller.rb

@@ -30,7 +30,7 @@ class Api::Web::EmbedsController < Api::Web::BaseController
   def set_status
     @status = Status.find(params[:id])
     authorize @status, :show?
-  rescue Mastodon::NotPermittedError
+  rescue ActiveRecord::RecordNotFound, Mastodon::NotPermittedError
     not_found
   end
 end

app/controllers/authorize_interactions_controller.rb

@@ -21,7 +21,7 @@ class AuthorizeInteractionsController < ApplicationController
   def set_resource
     @resource = located_resource
     authorize(@resource, :show?) if @resource.is_a?(Status)
-  rescue Mastodon::NotPermittedError
+  rescue ActiveRecord::RecordNotFound, Mastodon::NotPermittedError
     not_found
   end
 

app/controllers/media_controller.rb

@@ -34,7 +34,7 @@ class MediaController < ApplicationController
 
   def verify_permitted_status!
     authorize @media_attachment.status, :show?
-  rescue Mastodon::NotPermittedError
+  rescue ActiveRecord::RecordNotFound, Mastodon::NotPermittedError
     not_found
   end
 

app/controllers/severed_relationships_controller.rb

@@ -27,7 +27,7 @@ class SeveredRelationshipsController < ApplicationController
   private
 
   def set_event
-    @event = AccountRelationshipSeveranceEvent.find(params[:id])
+    @event = AccountRelationshipSeveranceEvent.where(account: current_account).find(params[:id])
   end
 
   def following_data

app/controllers/statuses_controller.rb

@@ -59,7 +59,7 @@ class StatusesController < ApplicationController
   def set_status
     @status = @account.statuses.find(params[:id])
     authorize @status, :show?
-  rescue Mastodon::NotPermittedError
+  rescue ActiveRecord::RecordNotFound, Mastodon::NotPermittedError
     not_found
   end
 

app/javascript/flavours/glitch/features/status/components/card.jsx

@@ -26,18 +26,23 @@ const getHostname = url => {
 
 const domParser = new DOMParser();
 
-const addAutoPlay = html => {
+const handleIframeUrl = (html, url, providerName) => {
   const document = domParser.parseFromString(html, 'text/html').documentElement;
   const iframe = document.querySelector('iframe');
+  const startTime = new URL(url).searchParams.get('t');
 
   if (iframe) {
-    if (iframe.src.indexOf('?') !== -1) {
-      iframe.src += '&';
-    } else {
-      iframe.src += '?';
+    const iframeUrl = new URL(iframe.src);
+
+    iframeUrl.searchParams.set('autoplay', 1);
+    iframeUrl.searchParams.set('auto_play', 1);
+
+    if (providerName === 'YouTube') {
+      iframeUrl.searchParams.set('start', startTime || '');
+      iframe.referrerPolicy = 'strict-origin-when-cross-origin';
     }
 
-    iframe.src += 'autoplay=1&auto_play=1';
+    iframe.src = iframeUrl.href;
 
     // DOM parser creates html/body elements around original HTML fragment,
     // so we need to get innerHTML out of the body and not the entire document
@@ -103,7 +108,7 @@ export default class Card extends PureComponent {
 
   renderVideo () {
     const { card } = this.props;
-    const content = { __html: addAutoPlay(card.get('html')) };
+    const content = { __html: handleIframeUrl(card.get('html'), card.get('url'), card.get('provider_name')) };
 
     return (
       <div

app/javascript/mastodon/features/status/components/card.jsx

@@ -37,18 +37,23 @@ const getHostname = url => {
 
 const domParser = new DOMParser();
 
-const addAutoPlay = html => {
+const handleIframeUrl = (html, url, providerName) => {
   const document = domParser.parseFromString(html, 'text/html').documentElement;
   const iframe = document.querySelector('iframe');
+  const startTime = new URL(url).searchParams.get('t');
 
   if (iframe) {
-    if (iframe.src.indexOf('?') !== -1) {
-      iframe.src += '&';
-    } else {
-      iframe.src += '?';
+    const iframeUrl = new URL(iframe.src);
+
+    iframeUrl.searchParams.set('autoplay', 1);
+    iframeUrl.searchParams.set('auto_play', 1);
+
+    if (providerName === 'YouTube') {
+      iframeUrl.searchParams.set('start', startTime || '');
+      iframe.referrerPolicy = 'strict-origin-when-cross-origin';
     }
 
-    iframe.src += 'autoplay=1&auto_play=1';
+    iframe.src = iframeUrl.href;
 
     // DOM parser creates html/body elements around original HTML fragment,
     // so we need to get innerHTML out of the body and not the entire document
@@ -114,7 +119,7 @@ export default class Card extends PureComponent {
 
   renderVideo () {
     const { card } = this.props;
-    const content = { __html: addAutoPlay(card.get('html')) };
+    const content = { __html: handleIframeUrl(card.get('html'), card.get('url'), card.get('provider_name')) };
 
     return (
       <div

app/lib/attachment_batch.rb

@@ -112,10 +112,12 @@ class AttachmentBatch
     keys.each_slice(LIMIT) do |keys_slice|
       logger.debug { "Deleting #{keys_slice.size} objects" }
 
-      bucket.delete_objects(delete: {
-        objects: keys_slice.map { |key| { key: key } },
-        quiet: true,
-      })
+      with_overridden_timeout(bucket.client, 120) do
+        bucket.delete_objects(delete: {
+          objects: keys_slice.map { |key| { key: key } },
+          quiet: true,
+        })
+      end
     rescue => e
       retries += 1
 
@@ -134,6 +136,20 @@ class AttachmentBatch
     @bucket ||= records.first.public_send(@attachment_names.first).s3_bucket
   end
 
+  # Currently, the aws-sdk-s3 gem does not offer a way to cleanly override the timeout
+  # per-request. So we change the client's config instead. As this client will likely
+  # be re-used for other jobs, restore its original configuration in an `ensure` block.
+  def with_overridden_timeout(s3_client, longer_read_timeout)
+    original_timeout = s3_client.config.http_read_timeout
+    s3_client.config.http_read_timeout = [original_timeout, longer_read_timeout].max
+
+    begin
+      yield
+    ensure
+      s3_client.config.http_read_timeout = original_timeout
+    end
+  end
+
   def nullified_attributes
     @attachment_names.flat_map { |attachment_name| NULLABLE_ATTRIBUTES.map { |attribute| "#{attachment_name}_#{attribute}" } & klass.column_names }.index_with(nil)
   end

app/lib/private_address_check.rb

@@ -1,9 +1,7 @@
 # frozen_string_literal: true
 
 module PrivateAddressCheck
-  module_function
-
-  CIDR_LIST = [
+  IP4_CIDR_LIST = [
     IPAddr.new('0.0.0.0/8'),       # Current network (only valid as source address)
     IPAddr.new('100.64.0.0/10'),   # Shared Address Space
     IPAddr.new('172.16.0.0/12'),   # Private network
@@ -16,6 +14,9 @@ module PrivateAddressCheck
     IPAddr.new('224.0.0.0/4'),     # IP multicast (former Class D network)
     IPAddr.new('240.0.0.0/4'),     # Reserved (former Class E network)
     IPAddr.new('255.255.255.255'), # Broadcast
+  ].freeze
+
+  CIDR_LIST = (IP4_CIDR_LIST + IP4_CIDR_LIST.map(&:ipv4_mapped) + [
     IPAddr.new('64:ff9b::/96'),    # IPv4/IPv6 translation (RFC 6052)
     IPAddr.new('100::/64'),        # Discard prefix (RFC 6666)
     IPAddr.new('2001::/32'),       # Teredo tunneling
@@ -25,7 +26,9 @@ module PrivateAddressCheck
     IPAddr.new('2002::/16'),       # 6to4
     IPAddr.new('fc00::/7'),        # Unique local address
     IPAddr.new('ff00::/8'),        # Multicast
-  ].freeze
+  ]).freeze
+
+  module_function
 
   def private_address?(address)
     address.private? || address.loopback? || address.link_local? || CIDR_LIST.any? { |cidr| cidr.include?(address) }

app/services/process_mentions_service.rb

@@ -71,7 +71,7 @@ class ProcessMentionsService < BaseService
     # Make sure we never mention blocked accounts
     unless @current_mentions.empty?
       mentioned_domains = @current_mentions.filter_map { |m| m.account.domain }.uniq
-      blocked_domains   = Set.new(mentioned_domains.empty? ? [] : AccountDomainBlock.where(account_id: @status.account_id, domain: mentioned_domains))
+      blocked_domains   = Set.new(mentioned_domains.empty? ? [] : AccountDomainBlock.where(account_id: @status.account_id, domain: mentioned_domains).pluck(:domain))
       mentioned_account_ids = @current_mentions.map(&:account_id)
       blocked_account_ids = Set.new(@status.account.block_relationships.where(target_account_id: mentioned_account_ids).pluck(:target_account_id))
 

docker-compose.yml

@@ -27,7 +27,7 @@ services:
 
   # es:
   #   restart: always
-  #   image: docker.elastic.co/elasticsearch/elasticsearch:7.17.4
+  #   image: docker.elastic.co/elasticsearch/elasticsearch:7.17.29
   #   environment:
   #     - "ES_JAVA_OPTS=-Xms512m -Xmx512m -Des.enforce.bootstrap.checks=true"
   #     - "xpack.license.self_generated.type=basic"
@@ -59,7 +59,7 @@ services:
   web:
     # You can uncomment the following line if you want to not use the prebuilt image, for example if you have local code changes
     # build: .
-    image: ghcr.io/glitch-soc/mastodon:v4.3.15
+    image: ghcr.io/glitch-soc/mastodon:v4.3.17
     restart: always
     env_file: .env.production
     command: bundle exec puma -C config/puma.rb
@@ -83,7 +83,7 @@ services:
     # build:
     #   dockerfile: ./streaming/Dockerfile
     #   context: .
-    image: ghcr.io/glitch-soc/mastodon-streaming:v4.3.15
+    image: ghcr.io/glitch-soc/mastodon-streaming:v4.3.17
     restart: always
     env_file: .env.production
     command: node ./streaming/index.js
@@ -102,7 +102,7 @@ services:
   sidekiq:
     # You can uncomment the following line if you want to not use the prebuilt image, for example if you have local code changes
     # build: .
-    image: ghcr.io/glitch-soc/mastodon:v4.3.15
+    image: ghcr.io/glitch-soc/mastodon:v4.3.17
     restart: always
     env_file: .env.production
     command: bundle exec sidekiq

lib/mastodon/version.rb

@@ -13,7 +13,7 @@ module Mastodon
     end
 
     def patch
-      15
+      17
     end
 
     def default_prerelease

spec/lib/private_address_check_spec.rb

@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe PrivateAddressCheck do
+  describe 'private_address?' do
+    it 'returns true for private addresses' do
+      # rubocop:disable RSpec/ExpectActual
+      expect(
+        [
+          '192.168.1.7',
+          '0.0.0.0',
+          '127.0.0.1',
+          '::ffff:0.0.0.1',
+        ]
+      ).to all satisfy('return true') { |addr| described_class.private_address?(IPAddr.new(addr)) }
+      # rubocop:enable RSpec/ExpectActual
+    end
+  end
+end

spec/requests/severed_relationships_spec.rb

@@ -3,9 +3,10 @@
 require 'rails_helper'
 
 RSpec.describe 'Severed Relationships' do
-  let(:account_rs_event) { Fabricate :account_relationship_severance_event }
+  let(:account_rs_event) { Fabricate(:account_relationship_severance_event) }
+  let(:user) { account_rs_event.account.user }
 
-  before { sign_in Fabricate(:user) }
+  before { sign_in user }
 
   describe 'GET /severed_relationships/:id/following' do
     it 'returns a CSV file with correct data' do
@@ -22,6 +23,17 @@ RSpec.describe 'Severed Relationships' do
       expect(response.body)
         .to include('Account address')
     end
+
+    context 'when the user is not the subject of the event' do
+      let(:user) { Fabricate(:user) }
+
+      it 'returns a 404' do
+        get following_severed_relationship_path(account_rs_event, format: :csv)
+
+        expect(response)
+          .to have_http_status(404)
+      end
+    end
   end
 
   describe 'GET /severed_relationships/:id/followers' do
@@ -39,5 +51,16 @@ RSpec.describe 'Severed Relationships' do
       expect(response.body)
         .to include('Account address')
     end
+
+    context 'when the user is not the subject of the event' do
+      let(:user) { Fabricate(:user) }
+
+      it 'returns a 404' do
+        get followers_severed_relationship_path(account_rs_event, format: :csv)
+
+        expect(response)
+          .to have_http_status(404)
+      end
+    end
   end
 end

spec/services/process_mentions_service_spec.rb

@@ -8,9 +8,9 @@ RSpec.describe ProcessMentionsService do
   let(:account) { Fabricate(:account, username: 'alice') }
 
   context 'when mentions contain blocked accounts' do
-    let(:non_blocked_account)          { Fabricate(:account) }
-    let(:individually_blocked_account) { Fabricate(:account) }
-    let(:domain_blocked_account)       { Fabricate(:account, domain: 'evil.com') }
+    let!(:non_blocked_account)          { Fabricate(:account) }
+    let!(:individually_blocked_account) { Fabricate(:account) }
+    let!(:domain_blocked_account)       { Fabricate(:account, domain: 'evil.com', protocol: :activitypub) }
     let(:status) { Fabricate(:status, account: account, text: "Hello @#{non_blocked_account.acct} @#{individually_blocked_account.acct} @#{domain_blocked_account.acct}", visibility: :public) }
 
     before do