ELBA-2021-3790

ELBA-2021-3790 - tzdata bug fix and enhancement update

Type:	BUG
Impact:	NA
Release Date:	2021-10-13

Description

[2021c-1]
- Rebase to tzdata-2021c
- Revert most of 2021b changes to 'backward'.
- Fix 'zic -b fat' bug in pre-1970 32-bit data.
- Fix two Link line typos.
- Distribute SECURITY file.

[2021b-2]
- Bump the release and rebuild.

[2021b-1]
- Rebase to tzdata-2021b
- Innclude patch for Mayen
- Jordan now starts DST on February's last Thursday.
- Samoa no longer observes DST.
- Merge more location-based Zones whose timestamps agree since 1970.
- Move some backward-compatibility links to 'backward'.
- Rename Pacific/Enderbury to Pacific/Kanton.
- Correct many pre-1993 transitions in Malawi, Portugal, etc.
- zic now creates each output file or link atomically.
- zic -L no longer omits the POSIX TZ string in its output.
- zic fixes for truncation and leap second table expiration.
- zic now follows POSIX for TZ strings using all-year DST.
- Fix some localtime crashes and bugs in obscure cases.
- zdump -v now outputs more-useful boundary cases.
- tzfile.5 better matches a draft successor to RFC 8536.

Updated Packages

Release/Architecture	Filename	sha256	Superseded By Advisory	Channel Label
Oracle Linux 7 (aarch64)	tzdata-2021c-1.el7.src.rpm	670d3fb2d7ce72777691914bb9b80898436e48d6bc7a5ae5b000b230fb10f488	ELBA-2025-1104	ol7_aarch64_latest
	tzdata-2021c-1.el7.src.rpm	670d3fb2d7ce72777691914bb9b80898436e48d6bc7a5ae5b000b230fb10f488	ELBA-2025-1104	ol7_aarch64_u9_patch
	tzdata-2021c-1.el7.noarch.rpm	d2954bce97dd46cf0482b7e38b35af78f402e242d0d28972d971462c701be5e9	ELBA-2025-1104	ol7_aarch64_latest
	tzdata-2021c-1.el7.noarch.rpm	d2954bce97dd46cf0482b7e38b35af78f402e242d0d28972d971462c701be5e9	ELBA-2025-1104	ol7_aarch64_u9_patch
	tzdata-java-2021c-1.el7.noarch.rpm	e7f1db4249402a379886eff530363c097e10512e306d8b50f222a521b85df224	ELBA-2025-1104	ol7_aarch64_latest
	tzdata-java-2021c-1.el7.noarch.rpm	e7f1db4249402a379886eff530363c097e10512e306d8b50f222a521b85df224	ELBA-2025-1104	ol7_aarch64_u9_patch
Oracle Linux 7 (x86_64)	tzdata-2021c-1.el7.src.rpm	670d3fb2d7ce72777691914bb9b80898436e48d6bc7a5ae5b000b230fb10f488	ELBA-2025-1104	ol7_x86_64_latest
	tzdata-2021c-1.el7.src.rpm	670d3fb2d7ce72777691914bb9b80898436e48d6bc7a5ae5b000b230fb10f488	ELBA-2025-1104	ol7_x86_64_u9_patch
	tzdata-2021c-1.el7.noarch.rpm	d2954bce97dd46cf0482b7e38b35af78f402e242d0d28972d971462c701be5e9	ELBA-2025-1104	exadata_dbserver_20.1.16.0.0_x86_64_base
	tzdata-2021c-1.el7.noarch.rpm	d2954bce97dd46cf0482b7e38b35af78f402e242d0d28972d971462c701be5e9	ELBA-2025-1104	exadata_dbserver_21.2.6.0.0_x86_64_base
	tzdata-2021c-1.el7.noarch.rpm	d2954bce97dd46cf0482b7e38b35af78f402e242d0d28972d971462c701be5e9	ELBA-2025-1104	ol7_x86_64_latest
	tzdata-2021c-1.el7.noarch.rpm	d2954bce97dd46cf0482b7e38b35af78f402e242d0d28972d971462c701be5e9	ELBA-2025-1104	ol7_x86_64_u9_patch
	tzdata-java-2021c-1.el7.noarch.rpm	e7f1db4249402a379886eff530363c097e10512e306d8b50f222a521b85df224	ELBA-2025-1104	exadata_dbserver_20.1.16.0.0_x86_64_base
	tzdata-java-2021c-1.el7.noarch.rpm	e7f1db4249402a379886eff530363c097e10512e306d8b50f222a521b85df224	ELBA-2025-1104	exadata_dbserver_21.2.6.0.0_x86_64_base
	tzdata-java-2021c-1.el7.noarch.rpm	e7f1db4249402a379886eff530363c097e10512e306d8b50f222a521b85df224	ELBA-2025-1104	ol7_x86_64_latest
	tzdata-java-2021c-1.el7.noarch.rpm	e7f1db4249402a379886eff530363c097e10512e306d8b50f222a521b85df224	ELBA-2025-1104	ol7_x86_64_u9_patch
Oracle Linux 8 (aarch64)	tzdata-2021c-1.el8.src.rpm	d5fc252fd27fff5a901fdcd3610e994fb12467c13f6eb142703c98c88626c6e8	-	ol8_aarch64_appstream
	tzdata-2021c-1.el8.src.rpm	d5fc252fd27fff5a901fdcd3610e994fb12467c13f6eb142703c98c88626c6e8	-	ol8_aarch64_baseos_latest
	tzdata-2021c-1.el8.src.rpm	d5fc252fd27fff5a901fdcd3610e994fb12467c13f6eb142703c98c88626c6e8	-	ol8_aarch64_u4_baseos_patch
	tzdata-2021c-1.el8.src.rpm	d5fc252fd27fff5a901fdcd3610e994fb12467c13f6eb142703c98c88626c6e8	-	ol8_aarch64_u5_baseos_base
	tzdata-2021c-1.el8.noarch.rpm	7032a66f9407084c5ea41abc4a3246b2866a5d023e428382d8051a58b71c568e	-	ol8_aarch64_baseos_latest
	tzdata-2021c-1.el8.noarch.rpm	7032a66f9407084c5ea41abc4a3246b2866a5d023e428382d8051a58b71c568e	-	ol8_aarch64_u4_baseos_patch
	tzdata-2021c-1.el8.noarch.rpm	7032a66f9407084c5ea41abc4a3246b2866a5d023e428382d8051a58b71c568e	-	ol8_aarch64_u5_baseos_base
	tzdata-java-2021c-1.el8.noarch.rpm	c24a834cb34afeb1009159e4a4f1e879b5683116bd0cbcf24f1ad0a34705430c	-	ol8_aarch64_appstream
Oracle Linux 8 (x86_64)	tzdata-2021c-1.el8.src.rpm	d5fc252fd27fff5a901fdcd3610e994fb12467c13f6eb142703c98c88626c6e8	-	ol8_x86_64_appstream
	tzdata-2021c-1.el8.src.rpm	d5fc252fd27fff5a901fdcd3610e994fb12467c13f6eb142703c98c88626c6e8	-	ol8_x86_64_baseos_latest
	tzdata-2021c-1.el8.src.rpm	d5fc252fd27fff5a901fdcd3610e994fb12467c13f6eb142703c98c88626c6e8	-	ol8_x86_64_u4_baseos_patch
	tzdata-2021c-1.el8.src.rpm	d5fc252fd27fff5a901fdcd3610e994fb12467c13f6eb142703c98c88626c6e8	-	ol8_x86_64_u5_baseos_base
	tzdata-2021c-1.el8.noarch.rpm	7032a66f9407084c5ea41abc4a3246b2866a5d023e428382d8051a58b71c568e	-	ol8_x86_64_baseos_latest
	tzdata-2021c-1.el8.noarch.rpm	7032a66f9407084c5ea41abc4a3246b2866a5d023e428382d8051a58b71c568e	-	ol8_x86_64_u4_baseos_patch
	tzdata-2021c-1.el8.noarch.rpm	7032a66f9407084c5ea41abc4a3246b2866a5d023e428382d8051a58b71c568e	-	ol8_x86_64_u5_baseos_base
	tzdata-java-2021c-1.el8.noarch.rpm	c24a834cb34afeb1009159e4a4f1e879b5683116bd0cbcf24f1ad0a34705430c	-	ol8_x86_64_appstream

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