Skip to content
OpenAdvisories

Ecosystem

Ubuntu

61,840 known vulnerabilities.

2,808 results · Clear filters · Feed

  • Critical 9.1
    CVE-2026-48188 Public exploit

    SQL Injection via MySQL Quote Method

    An improper Input Validation vulnerability in OTRS or ((OTRS)) Community Edition database layer module allows an unauthenticated SQL injection which can lead to an authentication bypass. This issue only affects the system if the MySQL/MariaDB server is config…

  • Critical 9.9

    cpp-httplib: HTTP header value percent-decoding in server-side `parse_header` enables CRLF injection

    cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.44.0, when cpp-httplib's server parses an incoming request, it applies percent-decoding to every header value except Location and Referer. The validity check (is_fiel…

  • Critical 9.8

    smb: client: validate dacloffset before building DACL pointers

    In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building DACL pointers parse_sec_desc(), build_sec_desc(), and the chown path in id_mode_to_cifs_acl() all add the server-supplied dacloffset to pntsd …

  • Critical 9.1

    smb/client: fix out-of-bounds read in symlink_data()

    In the Linux kernel, the following vulnerability has been resolved: smb/client: fix out-of-bounds read in symlink_data() Since smb2_check_message() returns success without length validation for the symlink error response, in symlink_data() it is possible for …

  • Critical 9.1

    smb/client: fix out-of-bounds read in smb2_compound_op()

    In the Linux kernel, the following vulnerability has been resolved: smb/client: fix out-of-bounds read in smb2_compound_op() If a server sends a truncated response but a large OutputBufferLength, and terminates the EA list early, check_wsl_eas() returns succe…

  • Critical 9.8

    mptcp: pm: ADD_ADDR rtx: fix potential data-race

    In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADD_ADDR rtx: fix potential data-race This mptcp_pm_add_timer() helper is executed as a timer callback in softirq context. To avoid any data races, the socket lock needs to be held…

  • Critical 9.8

    nvmet-tcp: fix race between ICReq handling and queue teardown

    In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: fix race between ICReq handling and queue teardown nvmet_tcp_handle_icreq() updates queue->state after sending an Initialization Connection Response (ICResp), but it does so withou…

  • Critical 9.1

    libceph: Fix slab-out-of-bounds access in auth message processing

    In the Linux kernel, the following vulnerability has been resolved: libceph: Fix slab-out-of-bounds access in auth message processing If a (potentially corrupted) message of type CEPH_MSG_AUTH_REPLY contains a positive value in its result field, it is treated…

  • Critical 9.8

    block: add pgmap check to biovec_phys_mergeable

    In the Linux kernel, the following vulnerability has been resolved: block: add pgmap check to biovec_phys_mergeable biovec_phys_mergeable() is used by the request merge, DMA mapping, and integrity merge paths to decide if two physically contiguous bvec segmen…

  • Critical 9.0
    CVE-2026-4408 Public exploit EPSS 47%

    Samba: remote code execution in samr

    A flaw was found in Samba. A remote attacker can exploit a misconfiguration in Samba file servers and classic domain controllers that use the "check password script" feature. If this script is configured with the %u substitution character, the client-controll…

  • Critical 9.3
    CVE-2026-44590 Public exploit

    Sherlock: Command Injection via pull_request_target in validate_modified_targets.yml

    Sherlock hunts down social media accounts by username across social networks. Prior to 0.16.1, the GitHub Actions workflow validate_modified_targets.yml is vulnerable to command injection via the pull_request_target trigger. Any GitHub user can execute arbitr…

  • Critical 9.1

    RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv

    In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv rxe_rcv() currently checks only that the incoming packet is at least header_size(pkt) bytes long before payload_size() is used…

  • Critical 9.8

    rxgk: Fix potential integer overflow in length check

    In the Linux kernel, the following vulnerability has been resolved: rxgk: Fix potential integer overflow in length check Fix potential integer overflow in rxgk_extract_token() when checking the length of the ticket. Rather than rounding up the value to be tes…

  • Critical 9.8

    rxrpc: Fix re-decryption of RESPONSE packets

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix re-decryption of RESPONSE packets If a RESPONSE packet gets a temporary failure during processing, it may end up in a partially decrypted state - and then get requeued for a retry.…

  • Critical 9.8

    smb: client: fix potential UAF and double free in smb2_open_file()

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF and double free in smb2_open_file() Zero out @err_iov and @err_buftype before retrying SMB2_open() to prevent an UAF bug if @data != NULL, otherwise a double fr…

  • Critical 9.8

    RDMA/iwcm: Fix workqueue list corruption by removing work_list

    In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fix workqueue list corruption by removing work_list The commit e1168f0 ("RDMA/iwcm: Simplify cm_event_handler()") changed the work submission logic to unconditionally call queue_wo…

  • Critical 9.1

    HTTP::Daemon versions before 6.17 for Perl allow OS command injection via send_file()

    HTTP::Daemon versions before 6.17 for Perl allow OS command injection via send_file(). send_file() opens its string argument with Perl's 2-arg open(). The 2-arg form interprets magic prefixes: '| cmd' and 'cmd |' open a pipe to a subprocess, '> path' and '>> …

  • Critical 9.0
    CVE-2026-4480 Public exploit Scanner template EPSS 29%

    Samba: samba: remote code execution in printing subsystem via unescaped job description

    A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with the "print command" setting via the "%J" substitution character without escaping shell meta characters. A remote attacke…

  • Critical 9.1

    Archive::Tar versions before 3.08 for Perl extract symlinks with attacker controlled targets outside the extraction directory

    Archive::Tar versions before 3.08 for Perl extract symlinks with attacker controlled targets outside the extraction directory. _make_special_file() passes the tar header's linkname to symlink() without validating it against absolute paths or .. segments. The …

  • Critical 9.8

    FastNetMon Community Edition through 1.2.9 contains an off-by-one heap-based buffer overflow in the dynamic_binary_buff…

  • Critical 9.8

    FastNetMon Community Edition through 1.2.9 contains a stack-based buffer overflow in the BGP NLRI (Network Layer Reacha…

  • Critical 9.8

    Dolibarr ERP CRM 7.0.3 Remote Code Execution via install/step1.php

    Dolibarr ERP CRM 7.0.3 contains a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary code by injecting PHP code through the db_name parameter. Attackers can send a POST request to install/step1.php with malicious PH…

  • Critical 9.3

    An issue was discovered in all versions of PCManFM-Qt starting from 1.1.0. When a regular file's path is passed as a UR…

  • Critical 9.6

    Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna

    The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. For example, ToUnicode("xn--example-.com") incorrectly returns the name "example.com" rather than an error. This behavior can lead to privilege …

  • Critical 9.1

    Invoking client can cause server deadlock on unexpected responses in golang.org/x/crypto/ssh

    A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited glob…

  • Critical 9.1

    Invoking bypass of FIDO/U2F security keys physical interaction in golang.org/x/crypto/ssh

    The Verify() method for FIDO/U2F security key types (sk-ecdsa-sha2-nistp256@openssh.com, sk-ssh-ed25519@openssh.com) did not check the User Presence flag. Signatures generated without physical touch were accepted, allowing unattended use of a hardware securit…

  • Critical 9.1

    Invoking infinite loop on large channel writes in golang.org/x/crypto/ssh

    When writing data larger than 4GB in a single Write call on an SSH channel, an integer overflow in the internal payload size calculation caused the write loop to spin indefinitely, sending empty packets without making progress. The size comparison now uses in…

  • Critical 10.0
    CVE-2026-46595 Public exploit

    Invoking VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x/crypto/ssh

    Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of callback is passed other than public key, then the source-address validation would be skipped.

  • Critical 9.1

    Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts

    Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.

  • Critical 9.1

    Invoking key constraints not enforced in golang.org/x/crypto/ssh/agent

    The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKe…

  • Critical 9.1

    Invoking agent constraints dropped when forwarding keys in golang.org/x/crypto/ssh/agent

    When adding a key to a remote agent constraint extensions such as restrict-destination-v00@openssh.com were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote…

  • Critical 9.8
    CVE-2026-43501 Public exploit

    ipv6: rpl: reserve mac_len headroom when recompressed SRH grows

    In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows ipv6_rpl_srh_rcv() decompresses an RFC 6554 Source Routing Header, swaps the next segment into ipv6_hdr->daddr, recompresses, t…

  • Critical 9.9

    Heap buffer overflow in CNID daemon comm_rcv()

    A heap-based buffer overflow in the CNID daemon comm_rcv() function in Netatalk 2.0.0 through 4.4.2 allows a remote authenticated attacker to execute arbitrary code with escalated privileges or cause a denial of service.

  • Critical 9.1

    Crypt::SaltedHash versions through 0.09 for Perl generate insecure random values for salts

    Crypt::SaltedHash versions through 0.09 for Perl generate insecure random values for salts. These versions use the built-in rand function, which is predictable and unsuitable for cryptography.

  • Critical 9.3

    HP Linux Imaging and Printing Software – Potential Escalation of Privilege and Arbitrary Code Execution

    A potential security vulnerability has been identified in the HP Linux Imaging and Printing Software. This potential vulnerability may allow escalation of privileges and/or arbitrary code execution via an integer overflow in the hpcups processing path when ha…

  • Critical 9.1

    Possible arbitrary code execution during DNSSEC validation

    NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables denial of service and possible remote code execution as a result of deep copying a data structure and erroneously overwriting a destination p…

  • Critical 9.9

    Kitty has a Heap Buffer Over-Read/Write via Integer Overflow in compose_rectangles Bounds Check

    Kitty is a cross-platform GPU based terminal. In versions 0.46.2 and below, the handle_compose_command() function in kitty/graphics.c performs bounds validation on composition offsets using unsigned 32-bit arithmetic that is subject to integer wrapping, poten…

  • Critical 9.6

    Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component

    Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

  • Critical 9.8

    Integer overflow in the Networking: JAR component

    Integer overflow in the Networking: JAR component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

  • Critical 9.6

    Sandbox escape due to use-after-free in the Disability Access APIs component

    Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.