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OpenSSH の脆弱性（CVE一覧）

122 CVE1 KEV10.0 最大CVSS
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影響を受けるバージョン系列

既知の脆弱性

CVE タイトル 影響を受けるバージョン CVSS 悪用 EPSS 公開日
CVE-2026-123158 sshd in OpenSSH before 10.6p2 on Linux, when musl libc is used without PAM, lacks a workaround for a password... < 10.6 = 10.6 8.1 KEV 18.9% 2026-11-05
CVE-2026-55654 Openssh: heap out-of-bounds read in red hat enterprise linux versions of openssh gssapi indicator cleanup due... * 3.7 — 2026-06-23
CVE-2026-55655 Openssh: local mitm of x11 forwarding via abstract unix socket pre-binding in red hat enterprise linux openssh... * 6.1 — 2026-06-23
CVE-2026-55653 Openssh: double free in red hat enterprise linux versions of openssh dh-gex client path during fips known-grou... * 6.5 — 2026-06-23
CVE-2026-35386 In OpenSSH before 10.3, command execution can occur via shell metacharacters in a username within a command li... ≥ 10.0 < 10.3 8.1 — 2026-04-02
CVE-2026-3497 Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects... * 6.9 — 2026-03-12
CVE-2025-26466 Openssh: denial-of-service in openssh = 9.5 = 9.6 = 9.7 5.9 — 2025-02-28
CVE-2025-26465 Openssh: machine-in-the-middle attack if verifyhostkeydns is enabled ≥ 6.9 ≤ 9.8 = 6.8 = 9.9 6.8 — 2025-02-18
CVE-2024-6387 Openssh: regresshion - race condition in ssh allows rce/dos < 4.4 ≥ 8.6 ≤ 9.8 = 4.4 8.1 — 2024-07-01
CVE-2023-51767 OpenSSH through 10.0, when common types of DRAM are used, might allow row hammer attacks (for authentication b... * 7.0 — 2023-12-24
CVE-2023-51384 In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied. When destinat... ≥ 8.9 < 9.6 5.5 — 2023-12-18
CVE-2023-51385 In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host name has shell metachara... < 9.6 6.5 — 2023-12-18
CVE-2023-48795 The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, al... < 9.6 5.9 — 2023-12-18
CVE-2023-38408 The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently trustworthy search path, leadin... < 9.3 = 9.3 9.8 — 2023-07-20
CVE-2023-28531 ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constr... ≥ 8.9 < 9.3 9.8 — 2023-03-17
CVE-2023-25136 OpenSSH server (sshd) 9.1 introduced a double-free vulnerability during options.kex_algorithms handling. This... = 9.1 6.5 — 2023-02-03
CVE-2021-36368 An issue was discovered in OpenSSH before 8.9. If a client is using public-key authentication with agent forwa... < 8.9 3.7 — 2022-03-13
CVE-2021-41617 sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege... ≥ 6.2 < 8.8 7.0 — 2021-09-26
CVE-2016-20012 OpenSSH through 8.7 allows remote attackers, who have a suspicion that a certain combination of username and p... ≤ 8.7 5.3 — 2021-09-15
CVE-2021-28041 ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as... ≥ 8.2 < 8.5 7.1 — 2021-03-05
CVE-2020-15778 scp in OpenSSH through 8.3p1 allows command injection in the scp.c toremote function, as demonstrated by backt... < 8.3 = 8.3 7.4 — 2020-07-24
CVE-2020-14145 The client side in OpenSSH 5.7 through 8.4 has an Observable Discrepancy leading to an information leak in the... ≥ 5.7 < 8.4 = 8.4 = 8.5 5.9 — 2020-06-29
CVE-2020-12062 The scp client in OpenSSH 8.2 incorrectly sends duplicate responses to the server upon a utimes system call fa... = 8.2 7.5 — 2020-06-01
CVE-2019-16905 OpenSSH 7.7 through 7.9 and 8.x before 8.1, when compiled with an experimental key type, has a pre-authenticat... ≥ 7.7 ≤ 7.9 ≥ 8.0 < 8.1 7.8 — 2019-10-09
CVE-2019-6109 An issue was discovered in OpenSSH 7.9. Due to missing character encoding in the progress display, a malicious... ≤ 7.9 6.8 — 2019-01-31
CVE-2019-6110 In OpenSSH 7.9, due to accepting and displaying arbitrary stderr output from the server, a malicious server (o... ≤ 7.9 6.8 — 2019-01-31
CVE-2019-6111 An issue was discovered in OpenSSH 7.9. Due to the scp implementation being derived from 1983 rcp, the server... ≤ 7.9 5.9 — 2019-01-31
CVE-2018-20685 In OpenSSH 7.9, scp.c in the scp client allows remote SSH servers to bypass intended access restrictions via t... ≤ 7.9 5.3 — 2019-01-10
CVE-2018-15919 Remotely observable behaviour in auth-gss2.c in OpenSSH through 7.8 could be used by remote attackers to detec... ≥ 5.9 ≤ 7.8 5.3 — 2018-08-28
CVE-2018-15473 OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid au... ≤ 7.7 5.3 — 2018-08-17
CVE-2016-10708 sshd in OpenSSH before 7.4 allows remote attackers to cause a denial of service (NULL pointer dereference and... < 7.4 7.5 — 2018-01-21
CVE-2017-15906 The process_open function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in... < 7.6 5.3 — 2017-10-26
CVE-2016-1908 The client in OpenSSH before 7.2 mishandles failed cookie generation for untrusted X11 forwarding and relies o... < 7.2 9.8 — 2017-04-11
CVE-2016-6210 sshd in OpenSSH before 7.3, when SHA256 or SHA512 are used for user password hashing, uses BLOWFISH hashing on... ≤ 7.2 5.9 — 2017-02-13
CVE-2016-10009 Untrusted search path vulnerability in ssh-agent.c in ssh-agent in OpenSSH before 7.4 allows remote attackers... ≤ 7.3 7.3 — 2017-01-05
CVE-2016-10010 sshd in OpenSSH before 7.4, when privilege separation is not used, creates forwarded Unix-domain sockets as ro... ≤ 7.3 7.0 — 2017-01-05
CVE-2016-10011 authfile.c in sshd in OpenSSH before 7.4 does not properly consider the effects of realloc on buffer contents,... ≤ 7.3 6.2 — 2017-01-05
CVE-2016-10012 The shared memory manager (associated with pre-authentication compression) in sshd in OpenSSH before 7.4 does... ≤ 7.3 7.8 — 2017-01-05
CVE-2016-8858 The kex_input_kexinit function in kex.c in OpenSSH 6.x and 7.x through 7.3 allows remote attackers to cause a... = 6.8 = 6.9 = 7.0 7.5 — 2016-12-09
CVE-2016-6515 The auth_password function in auth-passwd.c in sshd in OpenSSH before 7.3 does not limit password lengths for... ≤ 7.2 7.5 — 2016-08-07
CVE-2015-8325 The do_setup_env function in session.c in sshd in OpenSSH through 7.2p2, when the UseLogin feature is enabled... ≤ 7.2 7.8 — 2016-05-01
CVE-2016-3115 Multiple CRLF injection vulnerabilities in session.c in sshd in OpenSSH before 7.2p2 allow remote authenticate... ≤ 7.2 6.4 — 2016-03-22
CVE-2016-1907 The ssh_packet_read_poll2 function in packet.c in OpenSSH before 7.1p2 allows remote attackers to cause a deni... = 6.8 = 6.9 = 7.0 5.3 — 2016-01-19
CVE-2016-0778 The (1) roaming_read and (2) roaming_write functions in roaming_common.c in the client in OpenSSH 5.x, 6.x, an... = 5.4 = 5.5 = 5.6 8.1 — 2016-01-14
CVE-2016-0777 The resend_bytes function in roaming_common.c in the client in OpenSSH 5.x, 6.x, and 7.x before 7.1p2 allows r... = 5.0 = 5.1 = 5.2 6.5 — 2016-01-14
CVE-2015-6565 sshd in OpenSSH 6.8 and 6.9 uses world-writable permissions for TTY devices, which allows local users to cause... = 6.8 = 6.9 7.2 — 2015-08-24
CVE-2015-6564 Use-after-free vulnerability in the mm_answer_pam_free_ctx function in monitor.c in sshd in OpenSSH before 7.0... ≤ 6.9 7.0 — 2015-08-24
CVE-2015-6563 The monitor component in sshd in OpenSSH before 7.0 on non-OpenBSD platforms accepts extraneous username data... ≤ 6.9 6.4 — 2015-08-24
CVE-2015-5600 The kbdint_next_device function in auth2-chall.c in sshd in OpenSSH through 6.9 does not properly restrict the... ≤ 6.9 8.1 — 2015-08-03
CVE-2015-5352 The x11_open_helper function in channels.c in ssh in OpenSSH before 6.9, when ForwardX11Trusted mode is not us... ≤ 6.8 4.3 — 2015-08-03
CVE-2014-9278 The OpenSSH server, as used in Fedora and Red Hat Enterprise Linux 7 and when running in a Kerberos environmen... * 4.0 — 2014-12-06
CVE-2014-2653 The verify_host_key function in sshconnect.c in the client in OpenSSH 6.6 and earlier allows remote servers to... ≤ 6.6 = 6.0 = 6.1 6.5 — 2014-03-27
CVE-2014-2532 sshd in OpenSSH before 6.6 does not properly support wildcards on AcceptEnv lines in sshd_config, which allows... ≤ 6.5 = 6.0 = 6.1 4.2 — 2014-03-18
CVE-2011-4327 ssh-keysign.c in ssh-keysign in OpenSSH before 5.8p2 on certain platforms executes ssh-rand-helper with uninte... ≤ 5.8 = 1.2 = 1.2.1 5.5 — 2014-02-03
CVE-2014-1692 The hash_buffer function in schnorr.c in OpenSSH through 6.4, when Makefile.inc is modified to enable the J-PA... ≤ 6.4 7.3 — 2014-01-29
CVE-2013-4548 The mm_newkeys_from_blob function in monitor_wrap.c in sshd in OpenSSH 6.2 and 6.3, when an AES-GCM cipher is... = 6.2 = 6.3 6.0 — 2013-11-08
CVE-2010-5107 The default configuration of OpenSSH through 6.1 enforces a fixed time limit between establishing a TCP connec... ≤ 6.1 = 1.2 = 1.2.1 7.5 — 2013-03-07
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データ：CVE List（CVE® Program）、NVD、CISA KEV、FIRST EPSS（EPSS については https://www.first.org/epss を参照）、endoflife.date。ソフトウェア一覧：awesome-selfhosted（CC BY-SA 3.0）。