🚨 CVE-2026-15164
Crash in ciscodump 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
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Crash in ciscodump 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
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GitLab
ciscodump extcap: unbounded heap write in remote hex-dump parsers (heap buffer overflow) (#21375) · Issues · Wireshark Foundation…
Summary The ciscodump extcap capture tool parses text hex-dump output returned over an SSH session by a...
🚨 CVE-2026-15165
TLS ECH decryptor crash in Wireshark 4.6.0 to 4.6.6 allows denial of service
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TLS ECH decryptor crash in Wireshark 4.6.0 to 4.6.6 allows denial of service
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GitLab
[Security] TLS ECH transcript reconstruction: heap buffer overflow via repeated ech_outer_extensions (#21390) · Issues · Wireshark…
I am writing to report a heap-buffer-overflow (write) in tshark This is a security issue that was found by Anthropic using Claude to find vulnerabilities,...
🚨 CVE-2026-15167
DBS Etherwatch file parser crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
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DBS Etherwatch file parser crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
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GitLab
Buffer overflow in DBS Etherwatch capture file parser (#21352) · Issues · Wireshark Foundation / Wireshark · GitLab
Summary NGUYEN Huu Trung reported the following to the security mailing list: Hello Wireshark security team,...
🚨 CVE-2026-15169
UMTS FP protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
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UMTS FP protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
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GitLab
[Security] UMTS FP E-DCH Type-2: out-of-bounds write past static `subframes[16]` in `dissect_e_dch_t2_or_common_channel_info()`…
I am writing to report a global-buffer-overflow (write) that is triggerable by way of the Wireshark fuzzing harness tshark) This is a security issue that...
🚨 CVE-2026-15170
Z39.50 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
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Z39.50 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
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GitLab
[Security] Z39.50 MARC21 dissector: heap overflow (directory entry count floor/ceil mismatch) in dissect_marc_record() (ANT-2026…
I am writing to report a heap-buffer-overflow (write) that is triggerable by way of the Wireshark fuzzing harness fuzzshark There is a slight patch needed on
🚨 CVE-2026-15171
SSH protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
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SSH protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
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GitLab
NULL pointer dereference in ssh_keylog_process_line when opening a pcapng with malformed SSH Decryption Secrets (#21378) · Issues…
Summary When Wireshark ingests SSH decryption secrets from a pcapng Decryption Secrets Block (DSB), a malformed SSH key-log...
🚨 CVE-2026-15172
FMP/NOTIFY protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
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FMP/NOTIFY protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
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GitLab
FMP Notify dissector integer overflow (#21347) · Issues · Wireshark Foundation / Wireshark · GitLab
Build Information TShark (Wireshark) 4.6.6 (v4.6.6-0-g3a22c3ef473d). Copyright 1998-2026 Gerald Combs <gerald@wireshark.org> and contributors. Licensed under the terms of the...
🚨 CVE-2026-15173
pcapng file parser crash in Wireshark 4.6.0 to 4.6.6 allows denial of service
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pcapng file parser crash in Wireshark 4.6.0 to 4.6.6 allows denial of service
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GitLab
Darwin DPIB UUID option rewrite heap overflow (#21285) · Issues · Wireshark Foundation / Wireshark · GitLab
Mitchell Benjamin reported the following: I would like to privately report a heap-buffer-overflow in Wireshark 4.6.6's pcapng Darwin DPIB rewrite path. Summary:...
🚨 CVE-2026-15174
Catapult DCT2000 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
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Catapult DCT2000 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
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GitLab
Buffer overlow/segfault in Catapult DCT2000 dissector via not check no_ddi_entries in header (#21270) · Issues · Wireshark Foundation…
From Michael Bommarito on the security list: In attach_fp_info() (epan/dissectors/packet-catapult-dct2000.c), the E-DCH branch reads p_fp_info->no_ddi_entries from the parsed outhdr_values[] block and then loops over that value...
🚨 CVE-2026-58207
NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, a client able to send account-scoped connection monitoring requests could crash the server by supplying Connz pagination Offset and Limit values that overflowed internal arithmetic before the response window was safely bounded. This issue is fixed in versions 2.14.3 and 2.12.12.
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NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, a client able to send account-scoped connection monitoring requests could crash the server by supplying Connz pagination Offset and Limit values that overflowed internal arithmetic before the response window was safely bounded. This issue is fixed in versions 2.14.3 and 2.12.12.
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GitHub
[FIXED] Connz/Subsz pagination panic on Offset+Limit integer overflow · nats-io/nats-server@2ae0471
Signed-off-by: Maurice van Veen <github@mauricevanveen.com>
🚨 CVE-2026-58208
NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, a WebSocket listener could route requests for the MQTT-over-WebSocket path into MQTT handling even when MQTT was not configured, allowing an unauthenticated client with access to the WebSocket listener to reach uninitialized MQTT state and crash the server process. This issue is fixed in versions 2.14.3 and 2.12.12.
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NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, a WebSocket listener could route requests for the MQTT-over-WebSocket path into MQTT handling even when MQTT was not configured, allowing an unauthenticated client with access to the WebSocket listener to reach uninitialized MQTT state and crash the server process. This issue is fixed in versions 2.14.3 and 2.12.12.
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GitHub
[FIXED] WebSocket /mqtt upgrade panics when MQTT is disabled · nats-io/nats-server@73b3dd9
Signed-off-by: Maurice van Veen <github@mauricevanveen.com>
🚨 CVE-2026-58211
NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, a client could be registered as the configured no_auth_user through a parser path used when the first client operation was not CONNECT, bypassing user-level connection restrictions such as allowed_connection_types or proxy_required that normal authentication would apply. This issue is fixed in versions 2.14.3 and 2.12.12.
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NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, a client could be registered as the configured no_auth_user through a parser path used when the first client operation was not CONNECT, bypassing user-level connection restrictions such as allowed_connection_types or proxy_required that normal authentication would apply. This issue is fixed in versions 2.14.3 and 2.12.12.
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GitHub
`no_auth_user` pre-CONNECT fast path bypasses user connection restrictions
### Background
NATS.io is a high performance open source pub-sub distributed communication technology, built for the cloud, on-premise, IoT and edge computing.
The NATS Server can map clients...
NATS.io is a high performance open source pub-sub distributed communication technology, built for the cloud, on-premise, IoT and edge computing.
The NATS Server can map clients...
🚨 CVE-2026-58525
Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.
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Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.
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🚨 CVE-2026-6352
GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user with auditor-level access to modify compliance violation records due to improper authorization on certain GraphQL operations.
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GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user with auditor-level access to modify compliance violation records due to improper authorization on certain GraphQL operations.
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🚨 CVE-2026-6896
GitLab has remediated an issue in GitLab EE affecting all versions from 13.11 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute arbitrary scripts in another user's browser session due to improper sanitization of user-supplied input.
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GitLab has remediated an issue in GitLab EE affecting all versions from 13.11 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute arbitrary scripts in another user's browser session due to improper sanitization of user-supplied input.
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🚨 CVE-2026-7492
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.1 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an unauthenticated user to determine the existence of a private project due to improper authorization controls on cross-project reference pages.
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GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.1 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an unauthenticated user to determine the existence of a private project due to improper authorization controls on cross-project reference pages.
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🚨 CVE-2026-8472
GitLab has remediated an issue in GitLab EE affecting all versions from 18.9 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user with minimal access permissions to read work item metadata from private projects due to missing authorization checks.
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GitLab has remediated an issue in GitLab EE affecting all versions from 18.9 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user with minimal access permissions to read work item metadata from private projects due to missing authorization checks.
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🚨 CVE-2026-15168
BLF file parser in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows possible information disclosure
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BLF file parser in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows possible information disclosure
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GitLab
Missing decompressed-size validation in Wireshark BLF zlib LogContainer reader allows uninitialized heap memory disclosure (#21361)…
Summary The BLF capture reader allocates a decompression buffer of uncompressed_size (an attacker-controlled container-header field)...
🚨 CVE-2026-54777
CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. Prior to 1.8.1 and 1.9.1, CoreWCF NetNamedPipe transport accepts attachment to a pre-existing named pipe instance, allowing local interception of NetNamedPipe traffic when an attacker races NamedPipeListener startup between shared memory GUID publication and service named pipe creation. This issue is fixed in versions 1.8.1 and 1.9.1.
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CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. Prior to 1.8.1 and 1.9.1, CoreWCF NetNamedPipe transport accepts attachment to a pre-existing named pipe instance, allowing local interception of NetNamedPipe traffic when an attacker races NamedPipeListener startup between shared memory GUID publication and service named pipe creation. This issue is fixed in versions 1.8.1 and 1.9.1.
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GitHub
Refuse to attach to a pre-existing NetNamedPipe instance on startup · CoreWCF/CoreWCF@8ed9c78
The named pipe listener publishes its randomly chosen pipe name through a
shared memory section before the accept pump has actually created the pipe
instance. NamedPipeListener._firstConnection was...
shared memory section before the accept pump has actually created the pipe
instance. NamedPipeListener._firstConnection was...
🚨 CVE-2026-5922
The IP phone might use malicious input stored in configuration parameters and render it as content for the WebUI’s webpage.
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The IP phone might use malicious input stored in configuration parameters and render it as content for the WebUI’s webpage.
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🚨 CVE-2026-5923
Malicious use of a stolen cookie might allow modifications to the contents of the IP phone’s webpage.
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Malicious use of a stolen cookie might allow modifications to the contents of the IP phone’s webpage.
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