CVE-2026-55653

A flaw was found in OpenSSH. A malicious SSH server can exploit a double free vulnerability in the Diffie-Hellman Group Exchange DH-GEX client path. This occurs during FIPS Federal Information Processing Standards mode known-group validation when the client processes attacker-controlled DH-GEX...

CVE-2026-55653

A flaw was found in OpenSSH. A malicious SSH server can exploit a double free vulnerability in the Diffie-Hellman Group Exchange DH-GEX client path. This occurs during FIPS Federal Information Processing Standards mode known-group validation when the client processes attacker-controlled DH-GEX...

UBUNTU-CVE-2026-55653

A flaw was found in OpenSSH. A malicious SSH server can exploit a double free vulnerability in the Diffie-Hellman Group Exchange DH-GEX client path. This occurs during FIPS Federal Information Processing Standards mode known-group validation when the client processes attacker-controlled DH-GEX...

CVE-2026-55653 Openssh: double free in red hat enterprise linux versions of openssh dh-gex client path during fips known-group validation leads to client-side denial of service

A flaw was found in OpenSSH. A malicious SSH server can exploit a double free vulnerability in the Diffie-Hellman Group Exchange DH-GEX client path. This occurs during FIPS Federal Information Processing Standards mode known-group validation when the client processes attacker-controlled DH-GEX...

CVE-2026-55653

CVE-2026-55653 affects OpenSSH and describes a double-free in the DH-GEX client path during FIPS known-group validation, allowing a malicious SSH server to terminate the client process and cause a Denial of Service. The issue is tied to processing attacker-controlled DH-GEX group parameters and i...

EUVD-2026-38412

A flaw was found in OpenSSH. A malicious SSH server can exploit a double free vulnerability in the Diffie-Hellman Group Exchange DH-GEX client path. This occurs during FIPS Federal Information Processing Standards mode known-group validation when the client processes attacker-controlled DH-GEX...

CVE-2026-55653

A flaw was found in OpenSSH. A malicious SSH server can exploit a double free vulnerability in the Diffie-Hellman Group Exchange DH-GEX client path. This occurs during FIPS Federal Information Processing Standards mode known-group validation when the client processes attacker-controlled DH-GEX...

CVE-2026-55653 Openssh: double free in red hat enterprise linux versions of openssh dh-gex client path during fips known-group validation leads to client-side denial of service

A flaw was found in OpenSSH. A malicious SSH server can exploit a double free vulnerability in the Diffie-Hellman Group Exchange DH-GEX client path. This occurs during FIPS Federal Information Processing Standards mode known-group validation when the client processes attacker-controlled DH-GEX...

CVE-2026-55653

A flaw was found in OpenSSH. A malicious SSH server can exploit a double free vulnerability in the Diffie-Hellman Group Exchange DH-GEX client path. This occurs during FIPS Federal Information Processing Standards mode known-group validation when the client processes attacker-controlled DH-GEX...

Linux Distros Unpatched Vulnerability : CVE-2026-55653

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in OpenSSH. A malicious SSH server can exploit a double free vulnerability in the Diffie- Hellman Group Exchange DH-GEX client path. This occur...

PT-2026-51471

Name of the Vulnerable Software and Affected Versions OpenSSH affected versions not specified Description A double free flaw exists in the Diffie-Hellman Group Exchange DH-GEX client path. This occurs during FIPS Federal Information Processing Standards mode known-group validation when the client...

CVE-2026-54099

creationtimestamp| type| source ---|---|--- 2026-06-22 15:38:39+00:00| seen| https://infosec.exchange/users/vuldb/statuses/116794504971083136...

openssl: OpenSSL TLS 1.3 server may choose unexpected key agreement group

A key group selection preference flaw has been discovered in OpenSSL. An OpenSSL TLS 1.3 server may fail to negotiate the expected preferred key exchange group when its key exchange group configuration includes the default by using the "DEFAULT" keyword. A less preferred key exchange may be used...

CVE-2026-12581

creationtimestamp| type| source ---|---|--- 2026-06-22 12:00:30+00:00| seen| https://infosec.exchange/users/offseq/statuses/116793647291083340 2026-06-22 12:00:33+00:00| seen| https://bsky.app/profile/offseq.bsky.social/post/3moutlrvs7i2t 2026-06-22 12:32:19+00:00| seen|...

BIT-MONGODB-2026-9749 Using MaxKey() may crash the server

This issue can occur when running an aggregation pipeline that uses the internal $exchange stage configured with key-range partitioning and order-preserving delivery. If a single key range produces enough documents to fill its exchange buffer that is, many results are routed to the same consumer,...

BIT-MONGODB-2026-9746 Server crashes in case of the use of exchange

When using $changestreams and $requestReshardingResumeToken with the exchange option the server hits an invariant which causes the server to crash. There are no special privileges needed. The user must be logged in to issue the statement...

[SECURITY] Fedora 44 Update: strongswan-6.0.7-1.fc44

The strongSwan IPsec implementation supports both the IKEv1 and IKEv2 key exchange protocols in conjunction with the native NETKEY IPsec stack of the Linux kernel...

How does Opera make money? An explainer on monetization

Privacy How does Opera make money? An explainer on monetization Share June 22nd, 2026 Hi, Opera users! As many of you know, our products are free to download and use – so one of the most common questions we get from users is, “how does Opera make money?” It’s a fair question, and the answer is...

CVE-2026-12782

creationtimestamp| type| source ---|---|--- 2026-06-21 10:32:43+00:00| seen| https://infosec.exchange/users/offseq/statuses/116787630904398394 2026-06-22 01:39:40+00:00| seen| https://www.acn.gov.it/portale/w/easeus-poc-pubblici-per-il-prodotto-partition-master...

CVE-2026-12784

creationtimestamp| type| source ---|---|--- 2026-06-21 07:30:27+00:00| seen| https://infosec.exchange/users/offseq/statuses/116786923158989964 2026-06-21 07:30:28+00:00| seen| https://bsky.app/profile/offseq.bsky.social/post/3mortzyyqfs2t 2026-06-21 08:07:01+00:00| seen|...