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Claude Mythos technical breakdown: CVE-2026-4747 ROP chain, OpenBSD SACK integer overflow, Linux 1-bit OOB-to-root, and what AISLE's reproductions actually showed

First published (updated )
Social
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FreeBSD FreeBSDpf can overflow the stack parsing crafted SCTP packets

Risk 31
Severity
7.5
EPSS
0.19%
First published (updated )
CVE-2026-7164

OpenBSD slaacdIn OpenBSD through 7.8, the slaacd and rad daemons have an infinite loop when they receive a crafted…

Risk 22
Severity
4.3
First published (updated )
CVE-2026-41285

OpenBSD OpenSSHOpenSSH before 10.3 mishandles the authorized_keys principals option in uncommon scenarios involving…

Risk 79
Severity
8.1
First published (updated )
CVE-2026-35414

Microsoft azl3 openssh 9.8p1-5OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.

Risk 15
Severity
2.5
First published (updated )
CVE-2026-35388
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OpenSSH OpenSSHOpenSSH before 10.3 can use unintended ECDSA algorithms. Listing of any ECDSA algorithm in PubkeyAcc…

Risk 48
Severity
6.5
First published (updated )
CVE-2026-35387

Microsoft azl3 openssh 9.8p1-5In OpenSSH before 10.3, command execution can occur via shell metacharacters in a username within a …

Risk 80
Severity
8.1
First published (updated )
CVE-2026-35386

Microsoft azl3 openssh 9.8p1-5In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contr…

Risk 80
Severity
8.1
First published (updated )
CVE-2026-35385

FreeBSD FreeBSDpf silently ignores certain rules

Risk 31
Severity
7.5
EPSS
0.04%
First published (updated )
CVE-2026-4748

oss-secSome telnet clients leak environment variables

First published (updated )
https://seclists.org/oss-sec/2026/q1/312
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oss-secSome telnet clients leak environment variables

First published (updated )
https://seclists.org/oss-sec/2026/q1/308

oss-secTelnetd Vulnerability port

First published (updated )
https://seclists.org/oss-sec/2026/q1/219

oss-secBest practices for signatuverifcation

First published (updated )
https://seclists.org/oss-sec/2025/q4/347

OpenBSD openrsyncopenrsync through 0.5.0, as used in OpenBSD through 7.8 and on other platforms, allows a client to c…

Risk 32
Severity
5.3
First published (updated )
CVE-2025-67901

OpenSMTPD: Trivial Local Denial-of-Service via UNIX Domain Socket (CVE-2025-62875)

First published (updated )
https://seclists.org/oss-sec/2025/q4/109
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Questionable CVE's ported against dnsmasq

First published (updated )
https://seclists.org/oss-sec/2025/q4/93

OpenSSH sshdIn sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation…

Risk 16
Severity
4.3
EPSS
0.02%
First published (updated )
CVE-2025-32728

OpenBSD OpenBSDOpenBSD wg(4) kernel crash

Risk 29
Severity
7.1
EPSS
0.04%
First published (updated )
CVE-2025-30334

OpenBSD OpenSSHPre-authentication Denial of Service attack in OpenSSH - CVE-2025-26466

Risk 65
Severity
7.5
Exploited
EPSS
23.44%
First published (updated )
CVE-2025-26466

OpenBSD OpenSSHOpenssh: machine-in-the-middle attack if verifyhostkeydns is enabled

Risk 65
Severity
6.8
Exploited
EPSS
10.06%
First published (updated )
CVE-2025-26465
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OpenBSD OpenBSDOpenBSD vmm GDTR limits

Risk 57
Severity
7.9
First published (updated )
CVE-2024-11149

OpenBSD OpenBSDOpenBSD readdir directory traversal

Risk 32
Severity
5.5
First published (updated )
CVE-2024-10933

OpenBSD OpenBSDOpenBSD httpd(8) null dereference

Risk 47
Severity
8.7
First published (updated )
CVE-2024-11148

OpenBSD OpenBSDOpenBSD NFS double-free vulnerability

Risk 86
Severity
9.8
First published (updated )
CVE-2024-10934

OpenBSD vixie croncron/entry.c in vixie cron before 9cc8ab1, as used in OpenBSD 7.4 and 7.5, allows a heap-based buffe…

Risk 51
Severity
7.3
First published (updated )
CVE-2024-43688
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AI Cyber Challenge (AIxCC) semi-final sults from DEF CON 32 (2024)

First published (updated )
https://seclists.org/oss-sec/2024/q3/219

AI Cyber Challenge (AIxCC) semi-final sults from DEF CON 32 (2024)

First published (updated )
https://seclists.org/oss-sec/2024/q3/216

FreeBSD FreeBSDOpenSSH regreSSHion Attack (CVE-2024-6387)

Risk 92
Severity
8.1
Exploited
EPSS
71.47%
First published (updated )
CVE-2024-6387

OpenBSD KernelOpenBSD Kernel Multicast Routing Uninitialized Memory Information Disclosure Vulnerability

Risk 18
Severity
3.3
First published (updated )
CVE-2021-35000

OpenBSD KernelOpenBSD Kernel Multicast Routing Uninitialized Memory Information Disclosure Vulnerability

Risk 33
Severity
5.5
First published (updated )
CVE-2021-34999
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