CVE-2020-12052

Grafana version < 6.7.3 is vulnerable for annotation popup XSS.

Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB & OpenTSDB.

The following packages have been upgraded to a later upstream version: grafana (6.7.4). (BZ#1807323)

Security Fix(es):

• grafana: XSS vulnerability via a column style on the "Dashboard > Table Panel" screen (CVE-2018-18624)

• grafana: arbitrary file read via MySQL data source (CVE-2019-19499)

• grafana: stored XSS (CVE-2020-11110)

• grafana: XSS annotation popup vulnerability (CVE-2020-12052)

• grafana: XSS via column.title or cellLinkTooltip (CVE-2020-12245)

• grafana: information disclosure through world-readable /var/lib/grafana/grafana.db (CVE-2020-12458)

• grafana: information disclosure through world-readable grafana configuration files (CVE-2020-12459)

• grafana: XSS via the OpenTSDB datasource (CVE-2020-13430)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

Grafana version < 6.7.3 is vulnerable for annotation popup XSS.

This update for ansible, crowbar-core, crowbar-ha, crowbar-openstack, etcd, flannel, grafana, keepalived, kibana, memcached, monasca-installer, openstack-dashboard-theme-SUSE, openstack-manila, openstack-neutron-fwaas, openstack-nova, openstack-tempest, python-Django, python-Pillow, python-psql2mysql, python-psutil, python-py, python-pysaml2, python-waitress, rabbitmq-server, release-notes-suse-openstack-cloud, zookeeper fixes the following issues:

Security fixes included ins this update:

ansible

• CVE-2019-3828: Fixed a path traversal in the fetch module (bsc#1126503).

grafana

• CVE-2020-13379: Fixed an incorrect access control issue which could lead to information leaks or denial of service (bsc#1172409).
• CVE-2020-12052: Fixed an cross site scripting vulnerability related to the annotation popup (bsc#1170657).

kibana

• CVE-2020-10743: Fixed a clickjacking vulnerability (bsc#1171909).

memcached (to version 1.5.17)

• CVE-2019-15026: Fixed a stack-based buffer over-read in conn_to_str()n (bsc#1149110).
• CVE-2019-11596: Fixed a denial of service in the 'lru' command (bsc#1133817)
• CVE-2018-1000115: Disabled UDP by default to reduce DDoS amplification attacks (bsc#1083903).

python-Django

• CVE-2020-13254: Fixed a data leakage via malformed memcached keys (bsc#1172167).
• CVE-2020-13596: Fixed a cross site scripting vulnerability related to the admin parameters of the ForeignKeyRawIdWidget (bsc#1172166).
• Fixed a regression with the fix for CVE-2019-3498 (bsc#1161349).

python-Pillow

• CVE-2019-16865: Fixed a denial of service with specially crafted image files (bsc#1153191).
• CVE-2020-5312: Fixed a buffer overflow in the PCX P mode (bsc#1160152).
• CVE-2020-5313: Fixed a buffer overflow related to FLI (bsc#1160153).
• CVE-2019-19911: Fixed a denial of service in FpxImagePlugin.py (bsc#1160192).

python-pysaml2

• CVE-2020-5390: Fixed an issue with the verification of signatures in SAML documents (bsc#1160851)
• CVE-2017-1000246: Fixed an issue with weak encryption data, caused by initialization vector reuse(bsc#1068612).

python-waitress (to version 1.4.3)

• CVE-2019-16785: Fixed HTTP request smuggling through LF vs CRLF handling (bsc#1161088).
• CVE-2019-16786: Fixed HTTP request smuggling through invalid Transfer-Encoding (bsc#1161089).
• CVE-2019-16789: Fixed HTTP Request Smuggling through invalid whitespace characters (bsc#1160790).
• CVE-2019-16792: Fixed HTTP Request Smuggling through Content-Length header handling (bsc#1161670).

rubygem-activeresource

• CVE-2020-8151: Fixed information disclosure issue through specially crafted requests (bsc#1171560)

rubygem-json-1_7

• CVE-2020-10663: Fixed Unsafe Object Creation Vulnerability in JSON (bsc#1167244)

rubygem-puma

• CVE-2020-11077: Fixed HTTP Request Smuggling through proxy (bsc#1172175)
• CVE-2020-11076: Fixed HTTP Request smuggling through invalid Transfer-Encoding header.
• CVE-2020-5247: Fixed HTTP Response Splitting through newline characters handling (bsc#1165402)

zookeeper:

• CVE-2019-0201: Fixed an information disclosure related to getACL() (bsc#1135773).

Non security fixes included in this update:

Changes in ansible:

• Add 0001-Disallow-use-of-remote-home-directories-containing-..patch (bsc#1126503, CVE-2019-3828)

Changes in crowbar-core:

• Update to version 4.0+git.1580209654.1d112d31f:
  • network: start OVS before wickedd (SOC-11067)

Changes in crowbar-ha:

• Update to version 4.0+git.1585316203.d6ad2c8:
  • [4.0] add ssl termination on haproxy (bsc#1149535)

Changes in crowbar-openstack:

• Update to version 4.0+git.1589804581.9972163f0:

  • [4.0] magnum: fix check for image/flavor (SOC-11251)

• Update to version 4.0+git.1589647351.ccfd9481f:

  • [4.0] trove: fix rabbitmq connection URL (SOC-11286)

• Update to version 4.0+git.1589458214.9f765aa08:

  • [4.0] Fix create magnum k8s image and flavor (SOC-11251)

• Update to version 4.0+git.1588271860.131fc8cc1:

  • run keystone_register on cluster founder only when HA (SOC-11248)
  • nova: run…

This update for ansible1, ardana-ansible, ardana-cobbler, ardana-glance, ardana-input-model, ardana-logging, ardana-manila, ardana-monasca, ardana-mq, ardana-neutron, ardana-octavia, ardana-tempest, crowbar-core, crowbar-openstack, grafana, kibana, openstack-barbican, openstack-ceilometer, openstack-cinder, openstack-dashboard, openstack-designate, openstack-heat-templates, openstack-ironic, openstack-keystone, openstack-magnum, openstack-manila, openstack-monasca-agent, openstack-neutron, openstack-neutron-vsphere, openstack-nova, openstack-octavia, openstack-octavia-amphora-image, openstack-resource-agents, python-Django1, python-Pillow, python-ardana-packager, python-heatclient, python-neutron-tempest-plugin, python-octavia-tempest-plugin, python-os-brick, python-oslo.messaging, python-pyroute2, python-urllib3, python-waitress, release-notes-suse-openstack-cloud, rubygem-activeresource, rubygem-json-1_7, rubygem-puma fixes the following issues:

Security fixes included in this update:

ansible1:

• CVE-2019-3828: Fixed a path traversal in the fetch module (bsc#1126503).

grafana:

• CVE-2020-13379: Fixed an incorrect access control issue which could lead to information leaks or denial of service (bsc#1172409).
• CVE-2020-12052: Fixed an cross site scripting vulnerability related to the annotation popup (bsc#1170657).

kibana:

• CVE-2020-10743: Fixed a clickjacking vulnerability (bsc#1171909).

python-Django1 to 1.11.29:

• CVE-2020-13254: Fixed a data leakage via malformed memcached keys (bsc#1172167).
• CVE-2020-13596: Fixed a cross site scripting vulnerability related to the admin parameters of the ForeignKeyRawIdWidget (bsc#1172166).
• CVE-2020-7471: Fixed a SQL injection via StringAgg delimiter (bsc#1161919).
• CVE-2020-9402: Fixed a SQL injection via tolerance parameter in GIS functions and aggregates (bsc#1165022).
• CVE-2019-19844: Fixed a potential account hijack via password reset form (bsc#1159447).

python-Pillow:

• CVE-2020-10177: Fixed multiple out-of-bounds reads in libImaging/FliDecode.c (bsc#1173413).
• CVE-2020-11538: Fixed multiple out-of-bounds reads via a crafted JP2 files (bsc#1173420).
• CVE-2020-10994: Fixed multiple out-of-bounds reads via a crafted JP2 files (bsc#1173418).
• CVE-2020-10378: Fixed an out-of-bounds read when reading PCX files (bsc#1173416).
• CVE-2019-16865: Fixed a denial of service with specially crafted image files (bsc#1153191).
• CVE-2020-5311: Fixed an SGI buffer overflow (bsc#1160151).
• CVE-2020-5312: Fixed a buffer overflow in the PCX P mode (bsc#1160152).
• CVE-2020-5313: Fixed a buffer overflow related to FLI (bsc#1160153).
• CVE-2019-19911: Fixed a denial of service in FpxImagePlugin.py (bsc#1160192).

python-waitress to version 1.4.3:

• CVE-2019-16785: Fixed HTTP request smuggling through LF vs CRLF handling (bsc#1161088).
• CVE-2019-16786: Fixed HTTP request smuggling through invalid Transfer-Encoding (bsc#1161089).
• CVE-2019-16789: Fixed HTTP Request Smuggling through invalid whitespace characters (bsc#1160790).
• CVE-2019-16792: Fixed HTTP Request Smuggling through Content-Length header handling (bsc#1161670).

rubygem-activeresource:

• CVE-2020-8151: Fixed possible information disclosure through specially crafted requests (bsc#1171560).

Non security fixes:

Changes in ansible1.SUSE_SLE-12-SP4_Update_Products_Cloud9_Update:

• Add 0001-Disallow-use-of-remote-home-directories-containing-..patch (bsc#1126503, CVE-2019-3828)

Changes in ardana-ansible.SUSE_SLE-12-SP4_Update_Products_Cloud9_Update:

• Update to version 9.0+git.1591138508.e269bdb:

  • Use internal endpoint for upload image (SOC-11294)

• Update to version 9.0+git.1589740968.d339a28:

  • Reconfigure rabbitmq user permissions on update (SOC-11082)

• Update to version 9.0+git.1588953276.b8b5512:

  • Fix incorrect prefix used to collect supportconfig files (bsc#1171273)

Changes in ardana-cobbler.SUSE_SLE-12-SP4_Update_Products_Cloud9_Update:

• Update to version 9.0+git.1588181228.bae3b1f:
  • Ensure…

This update for ansible, ansible1, ardana-ansible, ardana-cluster, ardana-freezer, ardana-input-model, ardana-logging, ardana-mq, ardana-neutron, ardana-octavia, ardana-osconfig, caasp-openstack-heat-templates, crowbar-core, crowbar-openstack, documentation-suse-openstack-cloud, grafana, kibana, openstack-dashboard, openstack-dashboard-theme-HPE, openstack-heat-templates, openstack-keystone, openstack-monasca-agent, openstack-monasca-installer, openstack-neutron, openstack-octavia-amphora-image, python-Django, python-Flask, python-GitPython, python-Pillow, python-amqp, python-apicapi, python-keystoneauth1, python-oslo.messaging, python-psutil, python-pyroute2, python-pysaml2, python-tooz, python-waitress, storm contains the following fixes:

The update fixes several security issues:

ansible

• CVE-2019-3828: Fixed a path traversal in the fetch module (bsc#1126503).

grafana

• CVE-2020-13379: Fixed an incorrect access control issue which could lead to information leaks or denial of service (bsc#1172409).
• CVE-2020-12052: Fixed an cross site scripting vulnerability related to the annotation popup (bsc#1170657).

kibana

• CVE-2020-10743: Fixed a clickjacking vulnerability (bsc#1171909).

python-Django

• CVE-2020-13254: Fixed a data leakage via malformed memcached keys. (bsc#1172167)
• CVE-2020-13596: Fixed a cross site scripting vulnerability related to the admin parameters of the ForeignKeyRawIdWidget. (bsc#1172166)

python-Flask

• CVE-2019-1010083: Fixed a denial of service via crafted encoded JSON. (bsc#1141968)

python-Pillow

• CVE-2019-16865: Fixed a denial of service with specially crafted image files. (bsc#1153191)
• CVE-2020-5312: Fixed a buffer overflow in the PCX P mode. (bsc#1160152)
• CVE-2020-5313: Fixed a buffer overflow related to FLI. (bsc#1160153)
• CVE-2019-19911: Fixed a denial of service in FpxImagePlugin.py. (bsc#1160192)

python-psutil

• CVE-2019-18874: Fixed a double free caused by refcount mishandling. (bsc#1156525)

python-pysaml2

• CVE-2020-5390: Fixed an issue with the verification of signatures in SAML documents. (bsc#1160851)
• CVE-2017-1000246: Fixed an issue with weak encryption data, caused by initialization vector reuse. (bsc#1068612)

python-waitress (to version 1.4.3)

• CVE-2019-16785: Fixed HTTP request smuggling through LF vs CRLF handling. (bsc#1161088)
• CVE-2019-16786: Fixed HTTP request smuggling through invalid Transfer-Encoding. (bsc#1161089)
• CVE-2019-16789: Fixed HTTP Request Smuggling through Invalid whitespace characters. (bsc#1160790)
• CVE-2019-16792: Fixed HTTP Request Smuggling through Content-Length header handling. (bsc#1161670)

rubygem-activeresource

• CVE-2020-8151: Fixed information disclosure issue via specially crafted requests. (bsc#1171560)

rubygem-json-1_7

• CVE-2020-10663: Fixed an unsafe object creation vulnerability. (bsc#1167244)

rubygem-puma

• CVE-2020-11077: Fixed a HTTP smuggling issue related to proxy usage. (bsc#1172175)
• CVE-2020-11076: Fixed a HTTP smuggling issue when using an invalid transfer-encoding header. (bsc#1172176)

Other non-security fixes in in the update below:

Changes in ansible:

• Add 0001-Disallow-use-of-remote-home-directories-containing-..patch (bsc#1126503, CVE-2019-3828)

Changes in ansible1:

• Add 0001-Disallow-use-of-remote-home-directories-containing-..patch (bsc#1126503, CVE-2019-3828)

Changes in ardana-ansible:

• Update to version 8.0+git.1589740980.6c3bcdc:

  • Reconfigure rabbitmq user permissions on update (SOC-11082)

• Update to version 8.0+git.1588953487.9bfd5cb:

  • Fix incorrect prefix used to collect supportconfig files (bsc#1171273)

• Update to version 8.0+git.1585690828.81d8f45:

  • Cleanup keystone-ansible (bsc#1108719)

Changes in ardana-cluster:

• Update to version 8.0+git.1585685203.3e71e49:
  • Use bool filter to ensure valid boolean evaluation (SOC-11192)

Changes in ardana-freezer:

• Update to version 8.0+git.1586539529.b7d295f:
  • Recovering Cloud8 using Freezer or SSH backups…

This update for ansible, crowbar-core, crowbar-openstack, grafana, grafana-natel-discrete-panel, openstack-aodh, openstack-barbican, openstack-cinder, openstack-gnocchi, openstack-heat, openstack-ironic, openstack-magnum, openstack-manila, openstack-monasca-agent, openstack-murano, openstack-neutron, openstack-neutron-vpnaas, openstack-nova, openstack-sahara, python-Pillow, rubygem-crowbar-client fixes the following issues:

Security fixes included on this update:

for ansible:

• CVE-2020-1733,CVE-2020-10744: Fixed a race condition and insecure permissions which could have allowed another user on the node to gain control of the become user (bsc#1171823 and bsc#1164140).

for grafana:

• CVE-2020-11110, CVE-2018-18623, CVE-2018-18624, CVE-2018-18625: Fixed XSS vulnerabilities in dashboard due to an incomplete fix for CVE-2018-12099

for openstack-nova:

• CVE-2020-17376: Fixed an issue in which live migration failed to update persistent domain XML (bsc#1175484)

for python-pillow:

• CVE-2016-0775: Fixed a buffer overflow in FliDecode.c (bsc#965582)
• CVE-2020-10177: Fix-OOB-reads-in-FLI-decoding (bsc#1173413)
• CVE-2020-10994: Fix-bounds-overflow-in-JPEG-2000-decoding (bsc#1173418)
• CVE-2020-10378: Fix-bounds-overflow-in-PCX-decoding (bsc#1173416)

for rubygem-crowbar-client:

• CVE-2018-17954: Fixed an issue where provision leaks admin password to all nodes in cleartext (bsc#1117080)

Non-security fixes included on this update:

Changes in ansible:

• Update CVE-2020-10744_avoid_mkdir_p.patch to include missing parts and rename to CVE-2020-1733_avoid_mkdir_p.patch to make it clear which CVE is fixed there (bsc#1164140)

• Add CVE-2020-10744_avoid_mkdir_p.patch (bsc#1171823) to fix insecure temporary directory creation.

Changes in crowbar-core:

• Update to version 4.0+git.1600767499.0615a418f:

  • provisioner: check for client_user (SOC-11389)
  • crowbar: Also add access to /restricted/ in SSL vhost (SOC-11352)
  • crowbar: Allow hardware-installing -> discovering transition (noref)
  • crowbar: Add Restricted controller with API for restricted clients (bsc#1117080)
  • crowbar: Add complete list of states to Crowbar::State (noref)
  • provisioner: Remove the need for /updates/parse_node_data (noref)
  • crowbar: Create helper module to validate states (noref)
  • provisioner: Use new restricted API (bsc#1117080)
  • provisioner: Do not read /etc/crowbar.install.key from crowbar_joi (bsc#1117080)
  • provisioner: Remove use of privileged user for Windows machine (bsc#1117080)
  • provisioner: Use restricted client during provisioning (bsc#1117080)
  • provisioner: Use restricted client for crowbar_register (bsc#1117080)
  • provisioner: Drop /etc/crowbar.install.key bits from autoyast prof (bsc#1117080)
  • Avoid hardcoding machine-install user (bsc#1117080)
  • crowbar: Restrict admin access (bsc#1117080)

• Update to version 4.0+git.1600416364.5a9286e31:

  • Whitelist fixed CVEs in travis (noref)
  • Disable cookbook tests (noref)

Changes in crowbar-openstack:

• Update to version 4.0+git.1599037255.25b759234:
  • horizon: Update configuration for Grafana 5.x

Changes in grafana:

• BuildRequire go1.14 explicitly
• Add recompress source service
• Add go_modules source service to create vendor.tar.gz containing 3rd party go modules.
• Adjust spec to work for Grafana-6.7.4
• Adjust Makefile to work for Grafana-6.7.4
• Remove CVE-2019-15043.patch (merged upstream)
• Remove CVE-2020-13379.patch (merged upstream)
• Remove 0001-CVE-2020-12052-bsc1170657-XSS-annotation-popup-vulnerability.patch (merged upstream)
• Update to version 6.7.4 (bsc#1172450, CVE-2018-18623, CVE-2018-18624, CVE-2018-18625, bsc#1174583, CVE-2020-11110)
  • Only allow 32 hexadecimal digits for the avatar hash
  • 6.7.3 cherry-picks (#23808)
  • Fix CI for pushing a multi-architecture manifest (#23327)
  • AzureMonitor: Fix Log Analytics and Application Insights for Azure China (#21803) (#22753)
  • Revert 'grafana/data:…

This update for grafana and system-user-grafana fixes the following issues:

• Updated grafana to upstream version 7.3.1

  • CVE-2019-15043: In Grafana 2.x through 6.x before 6.3.4, parts of the HTTP API allow unauthenticated use. This makes it possible to run a denial of service attack against the server running Grafana

  • CVE-2020-12245: Grafana before 6.7.3 allows table-panel XSS via column.title or cellLinkTooltip (bsc#1170557)

  • CVE-2020-13379: The avatar feature in Grafana 3.0.1 through 7.0.1 has an SSRF Incorrect Access Control issue. This vulnerability allows any unauthenticated user/client to make Grafana send HTTP requests to any URL and return its result to the user/client. This can be used to gain information about the network that Grafana is running on. Furthermore, passing invalid URL objects could be used for DOS'ing Grafana via SegFault (bsc#1172409)

  • CVE-2019-15043: In Grafana 2.x through 6.x before 6.3.4, parts of the HTTP API allow unauthenticated use. This makes it possible to run a denial of service attack against the server running Grafana (bsc#1148383)

  • CVE-2020-12052: Grafana version below 6.7.3 is vulnerable for annotation popup XSS (bsc#1170657)

  • CVE-2020-24303: Grafana before 7.1.0-beta 1 allows XSS via a query alias for the ElasticSearch datasource. (bsc#1178243)

  • CVE-2018-18623: Grafana 5.3.1 has XSS via the 'Dashboard > Text Panel' screen (bsc#1172450)

  • CVE-2019-19499: Grafana versions below or equal to 6.4.3 has an Arbitrary File Read vulnerability, which could be exploited by an authenticated attacker that has privileges to modify the data source configurations (bsc#1175951)

  • Please refer to this package's changelog to get a full list of all changes (including bug fixes etc.)

• Initial shipment of system-user-grafana to SES 6

This update for ardana-neutron, ardana-swift, cassandra, crowbar-openstack, grafana, kibana, openstack-dashboard, openstack-ironic, openstack-neutron, openstack-neutron-gbp, openstack-nova, python-Django1, python-py, python-pysaml2, python-xmlschema, rubygem-activerecord-session_store, venv-openstack-keystone contains the following fixes:

Security fixes included in this update:

cassandra:

• CVE-2020-17516: Fixed an issue where encryption between nodes was not enforced correctly for certain internode_encryption settings (bsc#1181689)

grafana:

• CVE-2018-18623, CVE-2018-18624, CVE-2018-18625: Fixed multiple cross site scripting vulnerabilities in the dashboard. (bsc#1172450)
• CVE-2021-27358: Fixed a denial of service via remote API call. (bsc#1183803)
• CVE-2019-15043: Fixed a denial of service by an unauthenticated user in the snapshot HTTP API (bsc#1148383)
• CVE-2020-13379: Fixed an information leak to unauthenticated users. (bsc#1172409)
• CVE-2020-12052: Fixed a cross site scripting vulnerability with the annotation popup (bsc#1170657)
• CVE-2018-19039: Fixed an issue where a privileged user could exfiltrate files (bsc#1115960)
• CVE-2020-11110: Fixed a stored cross site scripting vulnerability. (bsc#1174583)
• CVE-2020-24303: Fixed a cross site scripting vulnerability in a query alias for ElasticSearch datasources (bsc#1178243)

kibana:

• CVE-2017-11499: Fixed a vulnerability in nodejs, related to the HashTable implementation, which could cause a denial of service. (bsc#1044849)
• CVE-2017-11481: Fixed a cross site scripting vulnerability via via URL fields. (bsc#1044849)
• CVE-2020-10743: Fixed a clickjacking issue because X-Frame-Option was not used by default. (bsc#1171909)

python-Django:

• CVE-2021-23336: Fixed a web cache poisoning via django.utils.http.limited_parse_qsl(). (bsc#1182433)
• CVE-2021-28658: Fixed a directory traversal via uploaded files. (bsc#1184148)
• CVE-2021-31542: Fixed a directory traversal via uploaded files with suitably crafted file names. (bsc#1185623)
• CVE-2021-33203: Fixed potential path-traversal via admindocs' TemplateDetailView. (bsc#1186608)
• CVE-2021-33571: Tighten validator checks to not allow leading zeros in IPv4 addresses, which potentially leads to further attacks. (bsc#1186611)

python-py:

• CVE-2020-29651: Fixed a denial of service via regular expressions. (bsc#1179805)

python-pysaml2:

• CVE-2021-21238: Fixed improper verification of cryptographic signatures for signed SAML documents. (bsc#1181277)
• CVE-2021-21239: Fixed improper verification of cryptographic signatures when using CryptoBackendXmlSec1(). (bsc#1181278)

rubygem-activerecord-session_store:

• CVE-2019-25025: Fixed a timing attacks targeting the session id which could allow an attack to hijack sessions. (bsc#1183174)

Non-security changes included in this update:

Changes in ardana-neutron:

• Update to version 9.0+git.1615223676.777f0b3:
  • Allow users to stop monitoring rootwrap daemon (bsc#1182317)

Changes in ardana-swift:

• Update to version 9.0+git.1618235096.90974ed:
  • Run swiftlm-scan in the UTC timezone (bsc#1181690)

Changes in cassandra:

• update to 3.11.10 (bsc#1181689, CVE-2020-17516)

• Fix digest computation for queries with fetched but non queried columns (CASSANDRA-15962)
• Reduce amount of allocations during batch statement execution (CASSANDRA-16201)
• Update jflex-1.6.0.jar to match upstream (CASSANDRA-16393)
• Fix DecimalDeserializer#toString OOM (CASSANDRA-14925)
• Rate limit validation compactions using compaction_throughput_mb_per_sec (CASSANDRA-16161)
• SASI's max_compaction_flush_memory_in_mb settings over 100GB revert to default of 1GB (CASSANDRA-16071)
• Prevent unbounded number of pending flushing tasks (CASSANDRA-16261)
• Improve empty hint file handling during startup (CASSANDRA-16162)
• Allow empty string in collections with COPY FROM in cqlsh (CASSANDRA-16372)
• Fix skipping on pre-3.0 created compact storage sstables due to missing primary…