CVE-2018-15473medium · CVSS 5.3 — OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after
CVE-2018-15919medium · CVSS 5.3 — Remotely observable behaviour in auth-gss2.c in OpenSSH through 7.8 could be used by remote attackers to detect existence of users on a targ
CVE-2018-20685medium · CVSS 5.3 — In OpenSSH 7.9, scp.c in the scp client allows remote SSH servers to bypass intended access restrictions via the filename of . or an empty f
CVE-2019-6109medium · CVSS 6.8 — An issue was discovered in OpenSSH 7.9. Due to missing character encoding in the progress display, a malicious server (or Man-in-The-Middle
CVE-2019-6110medium · CVSS 6.8 — In OpenSSH 7.9, due to accepting and displaying arbitrary stderr output from the server, a malicious server (or Man-in-The-Middle attacker)
CVE-2019-6111medium · CVSS 5.9 — An issue was discovered in OpenSSH 7.9. Due to the scp implementation being derived from 1983 rcp, the server chooses which files/directorie
CVE-2020-14145medium · CVSS 5.9 — The client side in OpenSSH 5.7 through 8.4 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This a
CVE-2020-15778high · CVSS 7.4 — scp in OpenSSH through 8.3p1 allows command injection in the scp.c toremote function, as demonstrated by backtick characters in the destinat
CVE-2016-20012medium · CVSS 5.3 — OpenSSH through 8.7 allows remote attackers, who have a suspicion that a certain combination of username and public key is known to an SSH s
CVE-2021-41617high · CVSS 7.0 — sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege escalation because supplement
CVE-2021-36368low · CVSS 3.7 — An issue was discovered in OpenSSH before 8.9. If a client is using public-key authentication with agent forwarding but without -oLogLevel=v
CVE-2023-38408critical · CVSS 9.8 — The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently trustworthy search path, leading to remote code execution if
CVE-2023-48795medium · CVSS 5.9 — The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypas
CVE-2023-51385medium · CVSS 6.5 — In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host name has shell metacharacters, and this name is refere
CVE-2023-51767high · CVSS 7.0 — OpenSSH through 10.0, when common types of DRAM are used, might allow row hammer attacks (for authentication bypass) because the integer val
CVE-2025-26465medium · CVSS 6.8 — A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malic
CVE-2025-32728medium · CVSS 4.3 — In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it disables X11 and agent
CVE-2026-35385high · CVSS 7.5 — In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectations, if the
CVE-2026-35387low · CVSS 3.1 — OpenSSH before 10.3 can use unintended ECDSA algorithms. Listing of any ECDSA algorithm in PubkeyAcceptedAlgorithms or HostbasedAcceptedAlgo
CVE-2026-35388low · CVSS 2.5 — OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.
CVE-2026-35414medium · CVSS 4.2 — OpenSSH before 10.3 mishandles the authorized_keys principals option in uncommon scenarios involving a principals list in conjunction with a
CVE-2026-59995medium · CVSS 4.2 — sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when "sftp server:/path ." is used with an attacker
CVE-2026-59996medium · CVSS 4.2 — scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destina
CVE-2026-59997medium · CVSS 4.2 — internal-sftp in sshd in OpenSSH before 10.4 recognizes only the first 9 command-line arguments, which can be important if a later command-l
CVE-2026-59998medium · CVSS 4.8 — sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windo
CVE-2026-59999medium · CVSS 5.9 — In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did not.
CVE-2026-60000low · CVSS 3.7 — sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service (resource consumption from excessive authentication attempt
CVE-2026-60001medium · CVSS 6.5 — sshd in OpenSSH before 10.4 does not always honor the minimum authentication delay.
CVE-2026-60002high · CVSS 7.7 — ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange. (This outcome occurs only
CVE-2021-33193high · CVSS 7.5 — A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache pois
CVE-2021-34798high · CVSS 7.5 — Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier.
CVE-2021-36160high · CVSS 7.5 — A carefully crafted request uri-path can cause mod_proxy_uwsgi to read above the allocated memory and crash (DoS). This issue affects Apache
CVE-2021-39275critical · CVSS 9.8 — ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functio
CVE-2021-40438critical · CVSS 9.0 — A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apa
CVE-2021-44224high · CVSS 8.2 — A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL pointer dereference) or, for configurat
CVE-2021-44790critical · CVSS 9.8 — A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:parsebody() called from Lua scripts). The Ap
CVE-2022-22719high · CVSS 7.5 — A carefully crafted request body can cause a read to a random memory area which could cause the process to crash. This issue affects Apache
CVE-2022-22720critical · CVSS 9.8 — Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered discarding the request body, exposing th
CVE-2022-22721critical · CVSS 9.1 — If LimitXMLRequestBody is set to allow request bodies larger than 350MB (defaults to 1M) on 32 bit systems an integer overflow happens which
CVE-2022-23943critical · CVSS 9.8 — Out-of-bounds Write vulnerability in mod_sed of Apache HTTP Server allows an attacker to overwrite heap memory with possibly attacker provid
CVE-2022-26377high · CVSS 7.5 — Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attac
CVE-2022-28330medium · CVSS 5.3 — Apache HTTP Server 2.4.53 and earlier on Windows may read beyond bounds when configured to process requests with the mod_isapi module.
CVE-2022-28614medium · CVSS 5.3 — The ap_rwrite() function in Apache HTTP Server 2.4.53 and earlier may read unintended memory if an attacker can cause the server to reflect
CVE-2022-28615critical · CVSS 9.1 — Apache HTTP Server 2.4.53 and earlier may crash or disclose information due to a read beyond bounds in ap_strcmp_match() when provided with
CVE-2022-29404high · CVSS 7.5 — In Apache HTTP Server 2.4.53 and earlier, a malicious request to a lua script that calls r:parsebody(0) may cause a denial of service due to
CVE-2022-30556high · CVSS 7.5 — Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point past the end of the storage allocated
CVE-2022-31813critical · CVSS 9.8 — Apache HTTP Server 2.4.53 and earlier may not send the X-Forwarded-* headers to the origin server based on client side Connection header hop
CVE-2006-20001high · CVSS 7.5 — A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the
CVE-2022-36760critical · CVSS 9.0 — Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attac
CVE-2022-37436medium · CVSS 5.3 — Prior to Apache HTTP Server 2.4.55, a malicious backend can cause the response headers to be truncated early, resulting in some headers bein