UBUNTU-CVE-2026-87875

The cupsUTF32ToUTF8 function in CUPS's cups/transcode.c lacks a source-length bound and can read past the end of the source buffer, resulting in a heap out-of-bounds read. This is reachable via SNMP supply-description parsing in backend/snmp-supplies.c with attacker-controlled content...

UBUNTU-CVE-2026-80920

In the Linux kernel, the following vulnerability has been resolved: iouring: defer eventfd signaling when queued from a wakeup handler ioreqlocalworkadd signals the CQ ring eventfd inline when it is the one to push the first entry onto -worklist. For DEFERTASKRUN rings that add is frequently done...

UBUNTU-CVE-2026-80919

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix recursive wwmutex acquire in amdgpudevcoredumpformat When dumping IB contents from a hung job, amdgpudevcoredumpformat acquired the VM root PD's reservation via amdgpuvmlockbypasid and then, for each IB, called...

UBUNTU-CVE-2026-87853

A flaw was found in SSSD's IdP authentication provider. The evalaccesstokenbuf function compares the OIDC subject identifier using strncmp with the authenticated user's identifier length, performing a prefix comparison instead of an exact match. An attacker whose IdP identifier is a strict prefix...

UBUNTU-CVE-2026-80915

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix DPT allocation paths. Remove the fallback for VRAM to system memory, I tested it and that doesn't work at all, only a black screen with pipe fault errors were observed. On systems with media GT, extra latency is added...

UBUNTU-CVE-2026-80918

In the Linux kernel, the following vulnerability has been resolved: HID: core: fix number/pointer type confusion on long items When fetchitem is called by hidscanreport on an item with HIDITEMTAGLONG, it stores a pointer to the item data in item-data.longdata instead of storing a value directly i...

UBUNTU-CVE-2026-80916

In the Linux kernel, the following vulnerability has been resolved: kcov: fix data corruption and race conditions on PREEMPTRT syzbot is reporting KCOV state corruption on PREEMPTRT kernels, for the temporary storage used for saving/restoring remote KCOV state is currently allocated as the per-CP...

UBUNTU-CVE-2026-80924

In the Linux kernel, the following vulnerability has been resolved: crypto: krb5 - use kfreesensitive for derived key buffers cryptokrb5prepareencryption and cryptokrb5preparechecksum free the buffer holding the freshly derived keys with plain kfree, leaving the key material behind in the freed...

UBUNTU-CVE-2026-80922

In the Linux kernel, the following vulnerability has been resolved: crypto: qcom-rng - Allow zero as a random number Zero is a valid random number and needs to be allowed. Otherwise the output is distinguishable from random...

UBUNTU-CVE-2026-80914

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix use-after-free of listener socket in isoconnready isoconnready looks up the BIS listener socket with isogetsock, which takes a reference, and then, without re-checking its state, creates a child socket from it...

UBUNTU-CVE-2026-87872

A flaw was found in the OCAPI modules ocapicommand, ocapiinfo of the community.general Ansible collection. The shared OCAPI request helper disables TLS certificate validation on every request and the modules expose no parameter to re-enable it, while sending HTTP Basic-Auth credentials to an http...

UBUNTU-CVE-2026-22590

eprosima Fast DDS is a C++ implementation of the DDS Data Distribution Service standard of the OMG Object Management Group. Versions prior to 2.6.12, 2.14.6, 3.2.4, 3.3.1, and 3.4.2 have a remotely triggerable Out-of-Bounds Read while processing RTPS DATAFRAG submessages. An attacker can craft a...

UBUNTU-CVE-2026-22591

eprosima Fast DDS is a C++ implementation of the DDS Data Distribution Service standard of the OMG Object Management Group. Prior to versions 2.6.12, 2.14.6, 3.2.4, and 3.4.3, Fast DDS’s implementation of SQL‑based content filtering DDSSQLFilter allows any participant in a DDS domain to remotely...

UBUNTU-CVE-2026-87822

t-digest versions 3.1 through 3.3 fail to validate centroid means during deserialization in MergingDigest.fromBytes, allowing attackers to inject NaN values that bypass validation checks. Attackers can craft malicious serialized digests containing NaN centroids that degrade sorting performance fr...

UBUNTU-CVE-2026-87824

zstd-jni before 1.5.7-14 fails to validate the samples buffer capacity in Zstd.trainFromBufferDirect, allowing attackers to read past buffer boundaries by supplying oversized per-sample lengths. Attackers can trigger out-of-bounds memory access by providing crafted sample length arrays that cause...

UBUNTU-CVE-2026-87825

zstd-jni before 1.5.7-14 contains a use-after-free vulnerability where streams and contexts hold a dictionary's shared lock only during the load call, allowing the dictionary to be closed while still referenced. Attackers can close a dictionary after associating it with a stream or context, causi...

UBUNTU-CVE-2026-87823

zstd-jni before 1.5.7-14 performs 32-bit signed bounds checks on three direct-ByteBuffer frame-size native methods, allowing out-of-bounds memory reads via negative or overflowing offsets. Attackers can supply negative offset values near Integer.MINVALUE to read unmapped memory, causing JVM...

UBUNTU-CVE-2026-87877

zstd-jni versions before 1.5.7-14 fail to validate closed state in setDict, setLongMax, setLevel and setRefMultipleDDicts methods of stream classes. Attackers can call these methods on closed streams to write through freed native pointers, corrupting unrelated objects or crashing the JVM...

UBUNTU-CVE-2026-83530

A user could provide an expression whose string length is longer than the ParserExpressionSizeLimit configured on the CEL environment, and a memory allocation would occur proportional to the size of the input before the limit would be checked / enforced...

UBUNTU-CVE-2026-56711

VLC media player versions 3.0.0 through 3.0.23 contain a memory-safety vulnerability reachable when processing crafted media. Exploitation requires user interaction and may result in application termination or code execution with the privileges of the VLC process...

UBUNTU-CVE-2026-73324

Certain VLC media player builds in versions 3.0.0 through 3.0.23 contain a memory-safety vulnerability reachable when processing media from an attacker-controlled network source. Exploitation requires user interaction and may disclose a limited, layout-dependent amount of VLC process memory...

UBUNTU-CVE-2026-61907

An issue was discovered in Cyrus IMAP before 3.12.4. JMAP snooze bypasses the destination-mailbox ACL. An authenticated user with insert permissions on another user's snoozed mailbox could cause insertion of mail to that user's inbox, or any other of their mailboxes whose id was known to the user...

UBUNTU-CVE-2026-61910

An issue was discovered in Cyrus IMAP before 3.12.4. Mailbox/set let a sharee change a special-use role on shared mailboxes. An authenticated user with maySetKeywords on another user's mailbox could change that mailbox's specialuse annotation. This could allow the sharee to change the shared...

UBUNTU-CVE-2026-61908

An issue was discovered in Cyrus IMAP before 3.12.4. A JMAP email-header blob ID can reference an out-of-bounds index. An authenticated user could attempt to download a crafted JMAP blob ID of the form H-, which could read past the end of the internal blobheaders array during download, exposing...

UBUNTU-CVE-2026-61911

An issue was discovered in Cyrus IMAP before 3.12.4. There is a Sieve mailbox existence oracle. An authenticated user could install a Sieve script that probed whether another user's private mailbox existed, or read the value of shared mailbox annotations, by observing which fileinto branch fired...

UBUNTU-CVE-2026-61915

An issue was discovered in Cyrus IMAP before 3.12.4. There is a VPATCH BYPARAM double-free. An authenticated calendar user could crash a Cyrus CalDAV worker with a PATCH containing PATCH-ACTION="BYPARAM@..." against a resource with two or more properties of the matched kind. The memory holding th...

UBUNTU-CVE-2026-61909

An issue was discovered in Cyrus IMAP before 3.12.4. CalDAV/CardDAV multiget bypasses a per-href ACL. An authenticated DAV user with some shared access to another user's calendar or address book could read even unshared events or contacts by including the target hrefs in a calendar-multiget or...

UBUNTU-CVE-2026-87819

GitPython before 3.1.60 contains a regular expression denial of service vulnerability in Actor.nameemailregex that processes commit author and committer fields. Attackers can craft a commit object with a malformed author field containing an unterminated angle bracket to cause quadratic...

UBUNTU-CVE-2026-87817

GitPython before 3.1.60 fails to properly validate the git directory location, allowing attackers to impersonate the git directory using tracked files like gitdir, commondir, and HEAD. Attackers can execute arbitrary code by placing a malicious pre-commit hook in the tracked hooks directory that...

UBUNTU-CVE-2026-74761

Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms. An authenticated client can spoof clientId when removing a durable topic subscription. This issue affects Apache ActiveMQ Broker: before 5.19.11, from 6.0.0 before 6.3.2;...

UBUNTU-CVE-2026-87818

GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying loc...

UBUNTU-CVE-2026-86776

KeePass versions 2.35 through 2.61.1 fail to validate KDBX header field sizes before memory allocation in the ReadHeaderField function. Attackers can craft a malicious KDBX file declaring excessive header field lengths to trigger allocation of gigabytes of memory, causing the application to consu...

UBUNTU-CVE-2026-87795

zstd-jni versions before 1.5.7-14 fail to validate offset and length parameters in the ZstdDictCompress constructor, allowing out-of-bounds memory reads. Attackers can supply untrusted offset or length values to read native heap memory into the compression dictionary, typically causing JVM crashe...

UBUNTU-CVE-2026-87766

A flaw was found in bubblewrap. During sandbox setup, creating files or directories under the new root can follow a parent symlink onto the host via /oldroot, writing attacker-chosen paths outside the sandbox as the launching user. This happens before the sandboxed process starts. This issue is...

UBUNTU-CVE-2026-87736

An issue was discovered in the mirage-crypto-ec package before 2.3.0 for OCaml. There is an EC public key out-of-bounds read for compressed points...

UBUNTU-CVE-2026-87733

An issue was discovered in the mirage-crypto-ec function before 2.2.0 for OCaml. The ECDSA functions P256,P384,P521.Dsa.pubofoctets accept 0x00, the encoding of the point at infinity, as a public key. With that public key, signatures can be forged without a private key...

UBUNTU-CVE-2026-87735

An issue was discovered in the mirage-crypto-pk package before 2.3.0 for OCaml. There is an undocumented exception for a small message during RSA decryption or encryption...

UBUNTU-CVE-2026-87737

An issue was discovered in the mirage-crypto-ec package before 2.4.0 for OCaml. There is a timing side channel for NIST elliptic-curve scalar multiplication: the time required for a lookup can depend on a secret...

UBUNTU-CVE-2026-87732

An issue was discovered in the mirage-crypto package before 2.2.0 for OCaml. The AES.GCM.authenticatedecryptinto and Chacha20.authenticatedecryptinto functions write the decrypted plaintext into a caller-provided buffer and only then compares the tag. On a forged tag, the functions returns false,...

UBUNTU-CVE-2026-57825

In the opam package before 2.5.2 for OCaml, the sandbox protection mechanism can be bypassed because symlinks are mishandled during use of .install files...

UBUNTU-CVE-2026-87724

Tor before 0.4.9.12 interprets the CCRESPONSE extension even when CCREQUEST was not sent, which allows remote attackers to cause a denial of service crash because of corrupted congestion-control state. This is TROVE-2026-032...

UBUNTU-CVE-2026-53938

OpenIDC/cjose is a C library implementing the Javascript Object Signing and Encryption JOSE. Prior to version 0.6.2.5, cjose's JWE decryption path for the AES Key Wrap key-management algorithms alg = A128KW, A192KW, A256KW does not validate the length of the attacker-supplied encryptedkey JWE...

UBUNTU-CVE-2026-53939

OpenIDC/cjose is a C library implementing the Javascript Object Signing and Encryption JOSE. In versions 0.6.1 through 0.6.2.5, when cjose encrypts a JWE using an AES-CBC-HMAC content-encryption algorithm A128CBC-HS256, A192CBC-HS384, or A256CBC-HS512 together with any key-management algorithm th...

UBUNTU-CVE-2026-19201

An uncontrolled recursion vulnerability in the Windows SIPA event log parser of Google go-attestation versions up to and including 0.6.1 allows an attacker to cause a denial of service DoS. The WinEvents.readELAMAggregation function recurses for every nested elamAggregation sub-event without...

UBUNTU-CVE-2026-81830

The Windows interactive service in OpenVPN 2.4.0 through 2.6.22 allows...

UBUNTU-CVE-2026-86564

A flaw was found in DPDK lib/vhost. Missing length validation before reading commanddata in the virtio-net control-queue handler can cause an out-of-bounds read and a host process crash...

UBUNTU-CVE-2026-18090

A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image .icns file. The uncompress function, which handles RLE-encoded ICNS icon data, fails to validate the source buffer's boundaries during...

UBUNTU-CVE-2026-30754

A memory corruption vulnerability exists in FFmpeg before 8.1. The RTP encoding process. In the nalsend function in libavformat/rtpench264hevc.c, a negative size parameter size=-3 is passed to memcpy when transmitting H.264/HEVC streams via RTP using a crafted input file. This was detected using...

UBUNTU-CVE-2026-85630

HTML::FormHandler versions before 0.410002 for Perl render field attributes into HTML without escaping using the processattrs method. Any application with fields or field labels where some attributes are built from data rather than literals allows attacker-influenced text in an attribute value th...

UBUNTU-CVE-2026-85484

HTML::FormHandler versions before 0.410002 for Perl render option group labels and radio button labels into HTML without escaping. The Select, RadioGroup, CheckboxGroup and HorizCheckboxGroup widgets render a group label unescaped, Select into a label attribute and the other three into element...