UBUNTU-CVE-2026-73260

Built-in TLS X.509 DER parsing bounds check...

UBUNTU-CVE-2026-73261

Built-in TCP/IP malformed TCP option handling...

UBUNTU-CVE-2026-73252

Built-in TLS short-record handling...

UBUNTU-CVE-2026-50626

virtio: fix queue size validation against allocated maximum...

UBUNTU-CVE-2026-12876

Unknown description...

UBUNTU-CVE-2026-66021

OOB access in virtio-gpu blob resource creation...

UBUNTU-CVE-2026-67990

basecamp/upright at commit efe4f2e5254ac6e57e45d2261804cca74dbbca3f disables Rails CSRF protection for its Alertmanager and Prometheus proxy controllers. An unauthenticated attacker can induce a logged-in user's browser to submit requests that are forwarded to enabled upstream write or management...

UBUNTU-CVE-2026-63318

QEMU 9pfs Readonly OTRUNC/OAPPEND Bypass via 9P2000.u Flag Mismatch...

UBUNTU-CVE-2026-56864

A malicious GOSUMDB was capable of serving arbitrary module content not contained within the transparency log. This attack allows for a coordinating GOPROXY and GOSUMDB to serve a client malicious module content that cannot be detected by evaluating the transparency log. In order to determine if...

UBUNTU-CVE-2026-56853

When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface. ReadHeaderTimeout is unexpectedly not being applied when doing this...

UBUNTU-CVE-2026-33818

Enforce a recursion limit in Unmarshal to prevent stack exhaustion when parsing deeply-nested, recursive structures...

UBUNTU-CVE-2026-56865

A malicious GOPROXY was previously capable of forging up to two sumdb tiles that allow for a requested module to bypass the GOSUMDB check and persist attacker-controlled module content to a local Go module cache. This attack allows for a malicious GOPROXY to serve malicious module content that...

UBUNTU-CVE-2026-73417

jupyterlab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From 3.3.0 until 4.5.10 and 4.6.2, JupyterLab allows notebook settings to be shared and applied through an overrides.json file using the Import button in the Settings...

UBUNTU-CVE-2026-73416

jupyterlab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From 4.5.0 until 4.5.10 and 4.6.2, in jupyterlab/extensions/manager.py and jupyterlab/extensions/pypi.py, JupyterLab's PyPI extension manager enforces...

UBUNTU-CVE-2026-56862

Handshake messages, such as KeyUpdate, are always considered as state-advancing, regardless of whether a handshake has been completed or not. As a result, a malicious client can keep sending KeyUpdate messages to force the server to keep performing key derivation operations indefinitely...

UBUNTU-CVE-2026-56860

Previously, resolving relative paths containing parent directory '..' segments performed string conversions and buffer rewrites on each step, resulting in quadratic time complexity and high memory allocation overhead. Now, path resolution operates on a byte buffer using index-based backtracking f...

UBUNTU-CVE-2026-56858

Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS...

UBUNTU-CVE-2026-56859

Previously, DecodeElement would reset the depth counter causing it to never fire; this could lead to stack exhaustion...

UBUNTU-CVE-2026-73480

gdu fails to strip terminal escape sequences from directory and file names when printing paths after TUI exit. Attackers can craft malicious directory or file names containing escape sequences that are interpreted by the terminal, enabling title spoofing, clipboard manipulation, or other...

UBUNTU-CVE-2026-73648

rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. From 1.0.3 until 1.7.1, Rails::HTML::PermitScrubber restricted SVG reference elements in SVGALLOWLOCALHREF only when they used xlink:href, even though browsers also accept the plain href attribute. Applicatio...

UBUNTU-CVE-2026-73566

node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.21, node-tar's filesFilter in src/list.ts uses the recursive mapHas helper to walk an archive entry path upward with path.dirname and no segment cap when tar.t... or tar.x... receives a non-empty member-selection list. A...

UBUNTU-CVE-2026-73569

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. From 5.9.3 until 5.10.1, src/xmlparser/OrderedObjParser.js processes multiple DOCTYPE declarations within a single XML document and passes each declaration's entities through addInputEntities...

UBUNTU-CVE-2026-73643

js-yaml is a JavaScript YAML parser and dumper. From 5.0.0 until 5.2.2, parsing a small YAML document can take exponential time when an application calls load or loadAll on untrusted input. In src/parser/parser.ts, readFlowCollection uses restoreState and calls parseNode a second time when a...

UBUNTU-CVE-2026-19730

The 'podman quadlet install --replace' command opens the existing destination file with OCREATE|OWRONLY but omits OTRUNC. When the initial reflink copy attempt fails common on non-reflink-capable filesystems including many RHEL default XFS configurations, the fallback in ReflinkOrCopy uses io.Cop...

UBUNTU-CVE-2022-4993

HTML::FormHandler versions before 0.410000 for Perl allow attacker selected method dispatch and resource exhaustion because applyactions and adderror use error message text built from request data as a Locale::Maketext bracket notation template. adderror hands its first argument to the language...

UBUNTU-CVE-2026-73515

PostGIS before 3.7.0beta2 contains an out-of-bounds read vulnerability that allows attackers to cause memory disclosure or a server crash by supplying a malformed FlatGeobuf buffer. The FlatGeobuf property metadata decoder verifies that a string length field is present but fails to verify that th...

UBUNTU-CVE-2026-19487

Perl versions from 5.9.4 before 5.41.9 produce incorrect regular expression match results when a stale failure flag ends the Aho-Corasick prescan early in Sfindbyclass. The prescan walks the subject for positions where the full pattern could match, and the engine tries it from the leftmost one...

UBUNTU-CVE-2026-70464

rsync daemon 2.0.0 before 3.5.0 contains a denial of service vulnerability that allows unauthenticated remote attackers to exhaust daemon connection slots by stalling the handshake process before or after module selection without triggering the I/O timeout. Attackers can open many simultaneous...

UBUNTU-CVE-2026-70463

rsync 3.1.0 before 3.5.0 contains an authorization bypass in auth users directive parsing. The auth users parser uses comma-only tokenization when splitting the user list, which fails to correctly handle entries of the form @Group Name where the group name contains a space. The space within the...

UBUNTU-CVE-2026-70461

rsync 3.2.5 before 3.5.0 contains a heap out-of-bounds write vulnerability that allows remote unauthenticated attackers to write one attacker-controlled byte past the end of a heap allocation by supplying a crafted files-from entry. Attackers can trigger the vulnerability against a read-only rsyn...

UBUNTU-CVE-2026-70462

rsync 3.1.0 before 3.5.0 contains a signed integer overflow vulnerability in the I/O timeout implementation that allows attackers to permanently disable connection timeouts by injecting MSGIOTIMEOUT messages carrying non-positive zero or negative values. Attackers can craft malicious MSGIOTIMEOUT...

UBUNTU-CVE-2026-73508

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.dns.AbstractDnsRecord, io.netty.handler.codec.dns.DefaultDnsRecordDecoder.decodeRecord, and io.netty.handler.codec.dns.DnsCodecUtil.decompressDomainName failed to...

UBUNTU-CVE-2026-73507

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.xml.XmlFrameDecoder.decode failed to preserve closing-tag parser state across invocations, so an unauthenticated remote attacker could trickle-feed repeated /...

UBUNTU-CVE-2026-53789

rsync before 3.5.0 contains an improper path handling vulnerability that allows a malicious sender to expand the scope of --delete operations beyond the intended destination subtree by sending a crafted file list that causes rsync to reclassify implied parent directory entries or treat synthetic...

UBUNTU-CVE-2026-53791

rsync daemon before 3.5.0 contains an IP address spoofing vulnerability that allows unauthenticated remote attackers to bypass IP-based access controls by sending a crafted PROXY protocol header with a forged source address. Attackers who can connect directly to the rsync daemon can inject a...

UBUNTU-CVE-2026-53783

rsync before 3.5.0 contains a time-of-check to time-of-use TOCTOU race condition vulnerability in the rrsync restricted shell wrapper that allows authenticated clients to escape enforced directory restrictions by substituting a symlink for a path component after validation but before transfer...

UBUNTU-CVE-2026-53785

rsync before 3.5.0 contains a path traversal vulnerability that allows a malicious sender to write files outside the intended destination directory tree by crafting relative paths with symlink components in --relative mode. The makepath function follows symlinks pointing outside the destination...

UBUNTU-CVE-2026-53792

rsync before 3.5.0 contains an out-of-bounds read vulnerability in the sender-side block matching logic that allows a malicious receiver to trigger memory access before the start of an allocated buffer by sending a crafted checksum block with a length of zero. Attackers can send a specially craft...

UBUNTU-CVE-2026-53796

rsync before 3.5.0 contains a time-of-check to time-of-use TOCTOU race condition vulnerability in the non-daemon receiver's destination directory handling that allows an attacker who can manipulate destination path parent components to redirect file writes to unintended locations. Attackers can...

UBUNTU-CVE-2026-70452

rsync 3.1.0 before 3.5.0 contains an access control bypass vulnerability that allows remote attackers to circumvent hosts deny rules by inducing DNS resolution failures during hostname-based access control evaluation. When a DNS lookup for a hostname-based deny rule fails, the daemon skips the ru...

UBUNTU-CVE-2026-53793

rsync before 3.5.0 contains a path confinement bypass vulnerability that allows remote clients to escape the intended inner-module root confinement by constructing paths that resolve outside the chroot boundary when the module root contains a /./ boundary marker. Attackers can exploit improper...

UBUNTU-CVE-2026-14456

Issue summary: When an OpenSSL QUIC server Listener SSL object processes valid QUIC Initial packets for unknown destination connection IDs, it can allocate and queue new incoming channels without enforcing any limit. Impact summary: A remote peer that can make many Initial packets reach the serve...

UBUNTU-CVE-2026-68454

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix handling of AIF enable without AISB When a guest seeks to register IRQs without a summary bit specified, ensure that the associated GAITE then stores 0 for the guest AISB location instead of...

UBUNTU-CVE-2026-70457

rsync 3.2.3 before 3.5.0 contains an out-of-bounds write in parsesizearg where the return value of snprintf is used directly as an index into a .bss-segment array without bounds checking. When snprintf truncates the formatted size string, the return value equals the number of characters that woul...

UBUNTU-CVE-2026-53801

rsync before 3.5.0 contains a symlink race condition vulnerability in the sender's directory scanning logic that allows attackers to cause the sender to enumerate and transfer files outside the module root's intended subtree. Attackers who can create or manipulate symlinks in a path component of...

UBUNTU-CVE-2026-53802

rsync before 3.5.0 contains an arbitrary file read vulnerability that allows attackers to read files accessible to the rsync daemon process by exploiting symlink following in input configuration file handling including --files-from, --password-file, and filter merge files. Attackers can place a...

UBUNTU-CVE-2026-70460

rsync 2.3.3 before 3.5.0 contains a path traversal vulnerability that allows a malicious sender to escape the module root by exploiting symlinks within the module file tree when using --partial-dir or --backup-dir options. Attackers with write access to place a symlink under the module root, or w...

UBUNTU-CVE-2026-68452

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA AES cipher key requests ccacipher2protkey derives the copy length for the CPRB parameter block directly from the length field in the key token. Reject the request early if the token length...

UBUNTU-CVE-2026-68451

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA ECC private key requests ccaecc2protkey derives the copy length for the CPRB parameter block directly from the length field in the key token. Reject the request early if the token length excee...

UBUNTU-CVE-2026-70458

rsync 3.0.0 before 3.5.0 contains an out-of-bounds write vulnerability that allows attackers to corrupt memory by triggering HLINKBUMP processing on file entries with the FLAGHLINKED flag set while the hard-link preservation option is inactive. Attackers can exploit the missing FSUM field in the...