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W.C.A. Wijngaards 96f8755520 - Fix CVE-2026-55973, 'dns-error-reporting: yes' leads to stack buffer 
overflow. Thanks to Qifan Zhang, Palo Alto Networks, for the report.
 2026-07-22 10:18:16 +02:00
W.C.A. Wijngaards 2ce2ca3691 - Fix CVE-2026-55717, 'serve-expired-client-timeout' and 'response-ip' 
CNAME redirect could lead to a crash. Thanks to Qifan Zhang, Palo
  Alto Networks, for the report. In addition, thanks to Xin Wang,
  Jiapeng Li, and Jiajia Liu, Northwestern Polytechnical University,
  for also reporting this issue.
 2026-07-22 10:17:32 +02:00
W.C.A. Wijngaards c29ff70f6a - Fix CVE-2026-55708, Privacy/configuration issue when adding local 
data in views through 'unbound-control'. Thanks to Qifan Zhang,
  Palo Alto Networks, for the report.
 2026-07-22 10:17:10 +02:00
W.C.A. Wijngaards 8a15ffee62 - Fix CVE-2026-54478, DNS Cookie bypass when combined with 
proxy-protocol use. Thanks to Qifan Zhang, Palo Alto Networks,
  for the report.
 2026-07-22 10:16:42 +02:00
W.C.A. Wijngaards 8c702de175 - Fix CVE-2026-52863, Memory corruption could lead to crash and 
denial of service. Thanks to Qifan Zhang, Palo Alto Networks,
  for the report.
 2026-07-22 10:16:03 +02:00
W.C.A. Wijngaards 804cff4c15 - Fix CVE-2026-50252, Possible cache poisoning attack by mapping 
source port population per thread. Thanks to Inbal Schussheim and
  Amit Klein, Hebrew University, for the report.
 2026-07-22 10:15:31 +02:00
W.C.A. Wijngaards e180b06298 - Fix CVE-2026-50251, Attacker supplied 0.0.0.0/:: glue triggers 
defensive full-cache flush. Thanks to Qifan Zhang, Palo Alto
  Networks, for the report.
 2026-07-22 10:15:02 +02:00
W.C.A. Wijngaards 3530c81e29 - Fix CVE-2026-50248, BOGUS configured primary hostname accepted for 
XFR in auth/rpz zones. Thanks to Qifan Zhang, Palo Alto Networks,
  for the report.
 2026-07-22 10:14:35 +02:00
W.C.A. Wijngaards 02b16de1ae - Fix CVE-2026-50243, 'response-ip'/'rpz' can rewrite BOGUS answers 
instead of returning SERVFAIL. Thanks to Qifan Zhang, Palo Alto
  Networks, for the report.
 2026-07-22 10:14:04 +02:00
W.C.A. Wijngaards 1ad8d4c395 - Fix CVE-2026-50046, Possible heap use-after-free in an error path 
when a DoT forwarded query is jostled out. Thanks to Qifan Zhang,
  Palo Alto Networks, for the report.
 2026-07-22 10:13:36 +02:00
W.C.A. Wijngaards 364ac737f7 - Fix CVE-2026-50045, 'max-global-quota' reset by DNSSEC validation 
restarts. Thanks to Kunjie Shang, University of Science and
  Technology of China, for the report.
 2026-07-22 10:13:14 +02:00
W.C.A. Wijngaards f7637a4f18 - Fix CVE-2026-44690, Cross-zone wildcard cache poisoning via 
RRSIG.labels manipulation. Thanks to Qifan Zhang, Palo Alto
  Networks, for the report.
 2026-07-22 10:12:38 +02:00
W.C.A. Wijngaards 1e1940383a - Fix CVE-2026-44687, Off-by-one error in 'harden-below-nxdomain' 
logic can shadow a stub/forward zone by a legitimate parent's
  NXDOMAIN. Thanks to Qifan Zhang, Palo Alto Networks, for the report.
 2026-07-22 10:12:03 +02:00
W.C.A. Wijngaards f52a9e864b - Fix CVE-2026-44621, Libunbound applications configured with 
'unwanted-reply-threshold' could eventually be abruptly
  terminated. Thanks to Qifan Zhang, Palo Alto Networks, for the
  report.
 2026-07-22 10:11:26 +02:00
W.C.A. Wijngaards 13ec8d0f26 - Fix CVE-2026-42955, Extra fix for CVE-2026-40622 to also clamp 
the TTL of A/AAAA records disallowing a one-time 'ghost domain'
  delegation renewal via glue records. Thanks to Qifan Zhang, Palo
  Alto Networks, for the report.
 2026-07-22 10:11:04 +02:00
W.C.A. Wijngaards 27f22b8808 - Fix CVE-2026-41637, Degradation of resolution service from 
improperly accounted client-terminated DNS-over-QUIC queries. Thanks
  to Qifan Zhang, Palo Alto Networks, for the report.
 2026-07-22 10:10:24 +02:00
W.C.A. Wijngaards f54e0791ba - Fix CVE-2026-40691, Packet of death for DNSCrypt over TCP. Thanks 
to Qifan Zhang, Palo Alto Networks, for the report. In addition,
  thanks to Trung Nguyen (@everping) of CyStack, for also reporting
  this issue.
 2026-07-22 10:09:50 +02:00
W.C.A. Wijngaards 01dfd2f466 - Fix CVE-2026-32665, Remote DNS-over-QUIC denial of 
service due to `quic-size` budget bypass. Thanks to N0zoM1z0
  (https://github.com/N0zoM1z0) for the report. In addition, thanks to
  Kunta Chu, Kaihua Wang, and Jianjun Chen from Tsinghua University,
  for also reporting this issue. In addition, thanks to Qifan Zhang,
  Palo Alto Networks, for also reporting this issue. In addition,
  thanks to Xuanchao Xie, for also reporting this issue.
 2026-07-22 10:09:26 +02:00
W.C.A. Wijngaards f157c691bb - Fix CVE-2026-14586, Assertion in libngtcp2 when under pressure 
in high concurrency DNS-over-QUIC environments. Thanks to Kunta
  Chu, Kaihua Wang, and Jianjun Chen from Tsinghua University,
  for the report.
 2026-07-22 10:08:48 +02:00
W.C.A. Wijngaards fea0ff550b - Fix CVE-2026-46582, A wildcard replay, as another piece of data, 
triggers poisoning in the serve expired reply path. Thanks to
  Qifan Zhang, Palo Alto Networks, for the report.
 2026-07-22 10:07:52 +02:00
W.C.A. Wijngaards 87d59bfced Set version to 1.25.2 2026-07-22 10:06:30 +02:00
W.C.A. Wijngaards 75b6dba593 - Fix CVE-2026-44608, Use after free and crash in RPZ code. Thanks 
to Qifan Zhang, Palo Alto Networks, for the report.
 2026-05-20 10:22:52 +02:00
W.C.A. Wijngaards 138fb48eac Changelog entry. 
- Fix CVE-2026-44390, Unbounded name compression in certain cases
  causes degradation of service. Thanks to Qifan Zhang, Palo Alto
  Networks, for the report.
 2026-05-20 10:22:10 +02:00
W.C.A. Wijngaards dae7a37974 - Fix CVE-2026-44390, Unbounded name compression in certain cases 
causes degradation of service. Thanks to Qifan Zhang, Palo Alto
  Networks, for the report.
 2026-05-20 10:21:26 +02:00
W.C.A. Wijngaards 8ae4b4545d - Fix CVE-2026-42960, Possible cache poisoning attack while following 
delegation. Thanks to TaoFei Guo from Peking University, Yang Luo
  and JianJun Chen, Tsinghua University, for the report.
 2026-05-20 10:20:45 +02:00
W.C.A. Wijngaards c343fff3a4 - Fix CVE-2026-42923, Degradation of service with unbounded NSEC3 
hash calculations. Thanks to Qifan Zhang, Palo Alto Networks, for
  the report.
 2026-05-20 10:20:02 +02:00
W.C.A. Wijngaards a794c87578 - Fix CVE-2026-42534, Jostle logic bypass degrades resolution 
performance. Thanks to Qifan Zhang, Palo Alto Networks, for the
  report.
 2026-05-20 10:19:08 +02:00
W.C.A. Wijngaards ef5ca84360 - Fix CVE-2026-41292, Parsing a long list of incoming EDNS options 
degrades performance. Thanks to GitHub user 'N0zoM1z0', also Qifan
  Zhang from Palo Alto Networks, for the report.
 2026-05-20 10:18:23 +02:00
W.C.A. Wijngaards 8d8fa42266 - Fix CVE-2026-40622, "Ghost domain name" variant. Thanks to Qifan 
Zhang, Palo Alto Networks, for the report.
 2026-05-20 10:16:18 +02:00
W.C.A. Wijngaards a587535c5d - Fix CVE-2026-32792, Packet of death with DNSCrypt. Thanks to Andrew 
Griffiths from 'calif.io' for the report.
 2026-05-20 10:15:30 +02:00
W.C.A. Wijngaards 94d5babaee - Fix CVE-2026-42959, Crash during DNSSEC validation of malicious 
content. Thanks to Qifan Zhang, Palo Alto Networks, for the report.
 2026-05-20 10:14:32 +02:00
W.C.A. Wijngaards fe946ba4e9 - Fix CVE-2026-42944, Heap overflow and crash with multiple nsid, 
cookie, padding EDNS options. Thanks to Qifan Zhang, Palo Alto
  Networks, for the report.
 2026-05-20 10:13:55 +02:00
W.C.A. Wijngaards 6a31e470f8 - Fix CVE-2026-33278, Possible remote code execution during DNSSEC 
validation. Thanks to Qifan Zhang, Palo Alto Networks, for the report.
 2026-05-20 10:13:08 +02:00
W.C.A. Wijngaards e577695aeb Set version to 1.25.1 for release. 2026-05-20 10:11:15 +02:00
W.C.A. Wijngaards 25fe602024 - For #1441: Fix type of ipv6 addr struct. 2026-04-23 09:37:30 +02:00
W.C.A. Wijngaards df0e86de49 Changelog entry for #1441. 
- Merge #1441: Fix buffer overrun in
  doq_repinfo_retrieve_localaddr().
 2026-04-23 09:35:44 +02:00
W.C.A. Wijngaards 07c96792f2 - Fix doxygen comment syntax. 2026-04-21 13:44:55 +02:00
W.C.A. Wijngaards 84ab430e11 - Set version number to 1.25.0 of code repository. 2026-04-21 13:27:55 +02:00
W.C.A. Wijngaards 53499e4a88 - Fix handling of wildcard CNAMEs in the chain of trust. 
An improper wildcard in the chain of trust would send
  the retries to the wrong upstream. Also it could label
  the step in the chain of trust as secure, when it was not.
  Thanks to Qifan Zhang, Palo Alto Networks for the report.
 2026-04-21 13:24:40 +02:00
W.C.A. Wijngaards 8a25a97687 - Fix that a DNAME with an unsigned CNAME is checked for 
the correct match. This stops that for certain zone
  configurations an unchecked unsigned CNAME could get
  secure status. Thanks to Qifan Zhang, Palo Alto Networks
  for the report.
 2026-04-21 13:19:13 +02:00
W.C.A. Wijngaards c112bcf2fd - Fix that signatures are not allowed with revoked dnskeys. 
Thanks to Qifan Zhang, Palo Alto Networks for the report.
 2026-04-21 13:07:34 +02:00
W.C.A. Wijngaards 9de549c498 - Fix that upstream TLS connections are not reused as TLS 
connections for a different name, at the same IP. This
  checks that the tls name is correct when reusing the
  upstream connections. Thanks to TaoFei Guo from Peking
  University and JianJun Chen from Tsinghua University for
  the report.
 2026-04-21 11:59:05 +02:00
W.C.A. Wijngaards 84c645e7b3 - Fix for missing bounds check for decompressing dnames 
for downloaded authority zones. This fixes that the server
  could end up with malformed zone content after receiving
  truncated packet contents from an AXFR. In addition, the
  domain names in the SOA rdata are checked before the
  authority code picks up the zone serial.
  Thanks to Halil Oktay for the report.
 2026-04-21 10:32:37 +02:00
W.C.A. Wijngaards 197a425c7d - Fix for iterator RCODE handling of YXDOMAIN. This fixes 
that the server only accepts YXDOMAIN answers that contain
  a DNAME record. This stops bad answers, and checks that
  the authoritative server gives correct replies.
  Thanks to Qifan Zhang, Palo Alto Networks for the report.
 2026-04-21 10:09:02 +02:00
W.C.A. Wijngaards 311054728d - Fix EDNS extended RCODE reflection. This fixes that 
the server does not echo extended rcode values after class
  chaos queries. Thanks to Qifan Zhang, Palo Alto Networks
  for the report.
 2026-04-21 09:58:19 +02:00
W.C.A. Wijngaards 6d74856212 - Fix for the Jiggle Attack. The server is fixed to answer 
with errors for error cases, and does not stay silent.
  In addition, the error replies do not contain parts of the
  incoming query. This is more conformant, stops reflection
  and stops it as a covert channel. Thanks to Yuqi Qiu and
  Xiang Li, Nankai University (AOSP Lab) for the report.
  In addition, thanks to Qifan Zhang, Palo Alto Networks, for
  noting the fingerprinting possibility, that is also fixed
  with this.
 2026-04-21 09:54:17 +02:00
W.C.A. Wijngaards d489e6027e - Add test case for malformed SVCB records. Thanks to 
Qifan Zhang, Palo Alto Networks for the additional test.
 2026-04-21 09:41:53 +02:00
W.C.A. Wijngaards e1d146d6b0 - Fix test with https zone for libressl. 2026-04-20 16:10:33 +02:00
W.C.A. Wijngaards eb2fe8df8d - Fix unused variable warning when compiled without ssl. 2026-04-20 12:24:55 +02:00
W.C.A. Wijngaards 86a8be75f0 - Fix compile warnings for thread setname routine, and test compile. 2026-04-20 12:24:28 +02:00
W.C.A. Wijngaards 52fc5ee374 - Fix pthread_setname detection to fail on warnings. 2026-04-17 17:13:14 +02:00
W.C.A. Wijngaards 82359c8fb1 - Update generated configure, with autoconf. 2026-04-17 17:00:09 +02:00
W.C.A. Wijngaards c996671a1f - Update generated man pages. 2026-04-17 16:32:02 +02:00
W.C.A. Wijngaards af209a12ea - Fix subnet store of servfail to not leak memory. 2026-04-17 13:48:38 +02:00
W.C.A. Wijngaards 84ac7e1b58 - Fix ttl comparisons in rdata_copy for 32bit signed or unsigned. 2026-04-17 13:27:41 +02:00
W.C.A. Wijngaards 24d502763c - Fix to increase size of the buffer for the win_svc reportev log 
function.
 2026-04-17 11:05:31 +02:00
W.C.A. Wijngaards 99c61c19ac - Fix compat/gmtime_r old style definition syntax. 2026-04-17 11:05:15 +02:00
W.C.A. Wijngaards cb05e9d525 - Fix compat/chacha_private sigma and tau definitions to use 
nonstring attribute.
 2026-04-17 11:04:51 +02:00
W.C.A. Wijngaards abddd4e270 - Update github ci cross platform to use 
cross-platform-actions/action@v1.0.0.
- Fix github ci to speed up with parralel build, for windows ci.
 2026-04-17 10:41:24 +02:00
W.C.A. Wijngaards 656b412492 - Update github ci to use actions/checkout@v6. 2026-04-17 10:13:06 +02:00
W.C.A. Wijngaards f15a46fcd4 - Fix to compile the shm code when there is no shmget. 2026-04-17 09:42:35 +02:00
W.C.A. Wijngaards 8d434bf744 - Fix setup of ssl context copy, to check for the tls service 
pem option for stat calls.
 2026-04-17 09:34:06 +02:00
W.C.A. Wijngaards 13b269d398 - Fix setup of ssl context copy of the tls service pem option, 
from a clang analyzer warning.
 2026-04-17 09:29:10 +02:00
W.C.A. Wijngaards b97bd3a1fc - Fix configure, autoconf for #1406. 2026-04-16 10:55:57 +02:00
W.C.A. Wijngaards db1fe8b475 - Fix to shorten RRSIG count in scrubber, this protects against 
an overly large number of RRSIGs. It can be configured with
  `iter-scrub-rrsig: 8`, it has default 8. Thanks to Yuxiao Wu,
  Tsinghua University for the report.
 2026-04-15 11:41:28 +02:00
W.C.A. Wijngaards f4f964f4fb - Fix RFC7766 compliance when client sends EOF over TCP. It stops 
pending replies and closes. Thanks to Yuxiao Wu, Tsinghua
  University for the report.
 2026-04-15 11:29:07 +02:00
W.C.A. Wijngaards a2272860de - iana portlist updated. 2026-04-14 15:36:33 +02:00
W.C.A. Wijngaards 95083d4377 - Fix clang analyzer warning for subnetmod, when return_msg is 
NULL for update cache, like when it stores servfail status.
 2026-04-14 15:36:00 +02:00
W.C.A. Wijngaards 5ce0bf5281 - Fix #1017: memory corruption related core dumps. 
When alloc_reg_obtain has an empty list, return a new allocation.
 2026-04-14 15:34:59 +02:00
W.C.A. Wijngaards 330d5211c9 - Fix for EDNS client subnet so that it does not store SERVFAIL in 
the global cache after a failed lookup, such as timeouts. A failure
  entry is stored in the subnet cache, for the query name, for a
  couple of seconds. Queries can continue to use the subnet cache
  during that time.
 2026-04-10 15:45:28 +02:00
W.C.A. Wijngaards c5f14dc880 Changelog comment for #1408 
- Merge #1408: Fix shared memory stats with threads.
 2026-03-30 16:15:32 +02:00
W.C.A. Wijngaards 2e9b880718 - Fix defense in depth for service callback with empty packet. 2026-03-27 15:42:45 +01:00
W.C.A. Wijngaards a0ec6cd946 - Fix test code to allow empty hex answer packets from testbound. 2026-03-27 15:39:27 +01:00
W.C.A. Wijngaards ea36979c40 - Fix to allow the control-interface config to use ip@port notation. 2026-03-27 14:29:15 +01:00
W.C.A. Wijngaards 315077b9e6 - Fix to check for invalid http content length and chunk size, 
and to check the RR rdata field lengths when decompressing and
  inserting RRs from an authority zone transfer. This stops
  large memory use and heap buffer-overflow read errors. Thanks
  to Haruto Kimura (Stella) for the report.
 2026-03-24 08:45:52 +01:00
W.C.A. Wijngaards 535d899bef - Fix for testcode pktview to check buffer size and log errors. 2026-03-20 15:57:46 +01:00
W.C.A. Wijngaards 8656cfd4c8 - Fix to add tls-service-key to memory printout for fast_reload. 2026-03-13 16:49:34 +01:00
W.C.A. Wijngaards 8f44ddb7de - Fix detection of http listening port in fast_reload. 2026-03-13 16:37:41 +01:00
W.C.A. Wijngaards 4484dc3954 - For #278: fast_reload can reload tls-service-key, tls-service-pem 
and tls-cert-bundle changes. It checks the modification time of
  the tls-service-key and tls-service-pem files for update.
 2026-03-13 16:25:42 +01:00
W.C.A. Wijngaards eb3bba0724 - iana portlist updated. 2026-03-13 12:05:33 +01:00
W.C.A. Wijngaards 2eff1d8ab5 - Fix #278: DoT: complete unbound restart required on certificate 
renew. Fix so that a reload checks if the files have changed, and
  if so, reload the contexts. Also for DoH, DoQ and outgoing DoT.
 2026-03-13 11:42:34 +01:00
W.C.A. Wijngaards 18029fc44f Changelog comment for #1418 
- Merge #1418: Apply cache TTL policy to DNAME and synthesized
  CNAME on wire path.
 2026-03-09 13:54:37 +01:00
W.C.A. Wijngaards 9af29c3ed1 - Fix compile failure in unbound-checkconf for older gcc compiler. 2026-03-09 09:18:43 +01:00
W.C.A. Wijngaards 92ab54641e Changelog entry for #1415 
- Merge #1415: Add lock unlock for view in memory error handling.
 2026-03-06 08:58:33 +01:00
W.C.A. Wijngaards 1bd7c8dfee - Update generated man pages. 2026-03-05 12:15:54 +01:00
W.C.A. Wijngaards 8f96ae7acf - Fix for DNS Rebinding Bypass via SVCB/HTTPS Records in Unbound. 
Thanks to Kunta Chu, School of Software, Tsinghua University,
  Taofei Guo, Peking University, and Jianjun Chen, Institute for
  Network Sciences and Cyberspace, Tsinghua University for the
  report. The private-address option is fixed to also elide
  SVCB and HTTPS records that match the filter.
 2026-03-05 09:47:13 +01:00
W.C.A. Wijngaards a296b248b0 - For #1411: Fix that the lookup for DNAME uses flag. Fix assertion 
in expired calc debug routine.
 2026-03-03 17:44:31 +01:00
W.C.A. Wijngaards 1ef131299a For #1411, fix up doc/Changelog. 2026-03-03 08:55:56 +01:00
W.C.A. Wijngaards 94b04d6d46 - Update generated man pages. 2026-02-27 14:33:55 +01:00
W.C.A. Wijngaards f1a65eb4e8 For #1409: Changelog entry and more text. 2026-02-27 13:55:25 +01:00
W.C.A. Wijngaards bff3d762ff - Fix validator to set unchecked when validation recursion 
requests are passed. The edns subnet module checks if validation
  is needed for a cache response, and set the validator to protect
  the cache with validation for non-subnet lookups.
 2026-02-25 10:59:33 +01:00
W.C.A. Wijngaards 1d36696462 - Fix to make the cachedb_val_expired.crpl succeed. 2026-02-23 12:52:10 +01:00
W.C.A. Wijngaards aa4e2a9e69 - Fix to have cachedb not return expired bogus data as non-bogus. 2026-02-23 12:45:14 +01:00
W.C.A. Wijngaards 8e04d04949 - For #1405: local-zone always_refuse also blocks queries of type DS. 2026-02-17 15:36:08 +01:00
W.C.A. Wijngaards c5627dbd52 - Fix to remove unused conditional from cookie timestamp at 
worker env.
 2026-02-17 11:15:15 +01:00
W.C.A. Wijngaards 014ed9c5ff - Fix that cachedb aggressive negative responses have the RA flag set. 2026-02-16 16:35:37 +01:00
W.C.A. Wijngaards 1a9a4e4ca1 - Fix #1403: Inconsistency between do-nat64 and do-not-query-address 
during retries.
 2026-02-11 16:01:30 +01:00
W.C.A. Wijngaards f7f638e18f - Update generated man pages. 2026-02-09 16:11:17 +01:00
W.C.A. Wijngaards c956aea93d Changelog note and documentation for #1401. 
- Merge #1401: Add a new build-time option for system TLS.
  The --enable-system-tls flag enables the
  tls-use-system-policy-versions setting by default.
 2026-02-09 16:05:28 +01:00
W.C.A. Wijngaards 567c70dada Fix attribution of fix. 2026-02-04 14:17:56 +01:00