UBUNTU-CVE-2026-31911

libpcap BPF interpreter calls abort if it encounters a BPF instruction that has an invalid opcode. In particular uncommon use cases a crafted filter program can terminate the OS process...

UBUNTU-CVE-2026-6244

libpcap BPF interpreter for the 'div k' and 'mod k' ALU instructions does not check whether the immediate value is zero. In particular uncommon use cases a crafted filter program can cause a division by zero...

UBUNTU-CVE-2026-31912

libpcap BPF interpreter detects neither reaching the end of the filter program buffer due to lack of a return instruction nor executing a jump instruction with an offset that translates to a pointer outside of the buffer. In particular uncommon use cases a crafted filter program can cause the...

UBUNTU-CVE-2025-15614

ugrep before 7.6.0 contains a heap buffer over-read vulnerability in the LZW decompressor when processing crafted .Z archive files. Attackers can supply malformed .Z files that cause the decompressor to read one byte past the allocated heap buffer, potentially crashing the process...

UBUNTU-CVE-2026-86145

PCRE2 before 10.48 allows a pcre2dfamatch out-of-bounds write because reuse of a cached workspace block, in a recursive DFA matching workspace, lacks a size check even though a newly allocated block, for the same purpose, does have a size check. This outcome requires an attacker-controlled regula...

UBUNTU-CVE-2026-86137

In libxml2 before 2.15.4, xmlFAParsePosCharGroup has an out-of-bounds read, aka an out-of-bounds read in the NXT macro in xmlregexp...

UBUNTU-CVE-2026-86143

In xmlIO in libxml2 before 2.15.4, an inconsistency in xmlOutputWriteCallback and xmlBufUse causes negative lengths to reach write callbacks, aka a lack of a check for integer overflow before calling writecallback. This has security relevance for many types of uses of that length value within a...

UBUNTU-CVE-2026-86142

In libxml2 before 2.15.4, there is a heap-based buffer overflow in xmlXPtrEvalXPtrPart because of xmlXPtrEval xpointer length saturation...

UBUNTU-CVE-2026-86139

In libxml2 before 2.15.4, xmlURIEscapeStr in uri.c has an integer overflow...

UBUNTU-CVE-2026-86140

In libxml2 before 2.15.4, xmlSnprintfElements in valid.c has a strcat stack-based buffer overflow...

UBUNTU-CVE-2026-86138

In libxml2 before 2.15.4, xmlDictAddQString in dict.c has an integer overflow and resultant heap-based buffer overflow...

UBUNTU-CVE-2026-86144

In xinclude in libxml2 before 2.15.4, xmlXIncludeProcess and xmlXIncludeProcessTree do not propagate parseFlags. This has security relevance for, for example, the XMLPARSENONET flag, if without it a custom resource loader accesses the internet and triggers XML external entity injection, SSRF, or ...

UBUNTU-CVE-2026-86141

xmlregexp in libxml2 before 2.15.4 has a NULL pointer dereference in xmlRegNewParserCtxt after a strdup failure, i.e., it does not calculate a string length after NULL checking...

UBUNTU-CVE-2026-86095

Unidata netcdf-c through 4.10.1 contains an out-of-bounds write vulnerability in NC4HDF5inqattname that copies HDF5 attribute names into a fixed 256-byte buffer without length validation. Attackers can craft HDF5 files with oversized attribute names to overflow the destination buffer, causing...

UBUNTU-CVE-2026-86098

ntop nDPI versions before 6.0 contain a heap buffer overflow vulnerability in the ndpijsonstringescape function that writes beyond caller-supplied buffer boundaries. Attackers can trigger the overflow by supplying crafted network packet data including TLS SNI, HTTP headers, or DNS names that reac...

UBUNTU-CVE-2026-86090

ntopng before 6.7.260717 fails to perform authorization checks in the delete endpoints and recipients REST v2 handlers. Authenticated non-administrator users can issue POST requests to irreversibly delete all configured notification endpoints and recipients, silencing all alerts...

UBUNTU-CVE-2026-46636

Twig is a template language for PHP. From version 1.0.0 to before version 3.27.0, SecurityPolicy::checkMethodAllowed unconditionally whitelists all method calls on instances of Twig\Markup. Twig\Markup is not final, so subclasses inherit the bypass. An application that passes an object of a...

UBUNTU-CVE-2026-86091

ntopng before 6.7.260717 fails to check user privileges in the pools bulk-delete endpoint, allowing authenticated non-administrators to delete all host pools and member bindings. Attackers can issue POST requests to the delete pools endpoint to irreversibly destroy every host pool, removing traff...

UBUNTU-CVE-2026-76925

A flaw was found in Flatpak. A Time-of-check to time-of-use TOCTOU race condition exists in the org.freedesktop.Flatpak.SystemHelper component. This vulnerability occurs because a privileged chmod operation executes before the OSTree repository validation within the Deploy function. An attacker c...

UBUNTU-CVE-2026-80913

In the Linux kernel, the following vulnerability has been resolved: selinux: require every boolean value to be defined pbools.nprim comes from the policy image independently of how many booleans follow it, and condindexbool fills boolvaltostruct at value - 1, so a count larger than the values...

UBUNTU-CVE-2026-80910

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: lpass-wsa-macro: Fix enum kcontrol accesses EAR SPKR PA Gain" and the four "WSA RX Mux" controls are enumerated, but their get and put callbacks access the value through ucontrol-value.integer.value0 a long instead ...

UBUNTU-CVE-2026-80906

In the Linux kernel, the following vulnerability has been resolved: net: packet: fix wrong transportheader when sending VLAN-tagged frame In packetparseheaders, when processing a VLAN-tagged frame, skbsetnetworkheader is called to advance networkheader past the VLAN tag to the inner protocol...

UBUNTU-CVE-2026-84890

undici's decompress interceptor decompresses response bodies according to the untrusted Content-Encoding header. While the number of content-encoding layers is capped, the total decompressed output size is unbounded and there is no configuration option to limit it. A malicious or faulty upstream...

UBUNTU-CVE-2026-80908

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Reject UVD message with dimensions above 4096 Fixes potential overflow in DPB size calculations. cherry picked from commit 05e1387d151f71569fbe122d2c89f9db0c21dc10...

UBUNTU-CVE-2026-80912

In the Linux kernel, the following vulnerability has been resolved: selinux: reject an unclaimed class value in securitygetclasses securitygetclasses sizes an array by pclasses.nprim and fills it at value - 1, so a class value the policy never defines leaves a NULL. selmakeclasses passes every...

UBUNTU-CVE-2026-80905

In the Linux kernel, the following vulnerability has been resolved: net: tap: fix wrong transportheader when sending VLAN-tagged frame In tapgetuserxdp, when processing a VLAN-tagged frame e.g. ETHP8021Q, skbsetnetworkheader is called first to advance networkheader past the VLAN tag to the inner...

UBUNTU-CVE-2026-85769

A flaw was found in libtpms, a library that provides software TPM 2.0 emulation. When restoring TPM 2.0 state for example during a virtual machine's power-on or state/migration restore, a malformed state blob can supply an oversized skip-block length that is not validated against the remaining si...

UBUNTU-CVE-2026-80909

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Reject UVD message with invalid number of h265 refs Same change as for h264, avoids overflow later when calculating min dpb size. cherry picked from commit a4b0720e4f1601f97f59a2be9c1b4b94fa6527d5...

UBUNTU-CVE-2026-80911

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: sof-audio: Fix error path in sofwidgetsetupunlocked If either tplgops-daiconfig or widgetkcontrolsetup fail during widget setup we would double decrement the usecount of the widget because the sofwidgetfreeunlocked wou...

UBUNTU-CVE-2026-80907

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix UVD dpb min size calculation for H264 This should use actual number of references from the decode message, instead of maximum derived from level. cherry picked from commit 64b525edb7e7bdfcdc77883c5e413804e2396856...

UBUNTU-CVE-2026-80889

In the Linux kernel, the following vulnerability has been resolved: can: isotp: fix timer drain order, wakeup handling and txgen ordering This patch is a follow-up to commit cf070fe33bfb "can: isotp: serialize TX state transitions under so-rxlock" which addresses following sashiko-bot findings: -...

UBUNTU-CVE-2026-80898

In the Linux kernel, the following vulnerability has been resolved: netfs: clear PGprivate2 on copy-to-cache append failure netfspgpriv2copytocache marks the folio with PGprivate2 before netfspgpriv2copyfolio appends it to the copy-to-cache rolling buffer. If the append fails, the folio is not...

UBUNTU-CVE-2026-80897

In the Linux kernel, the following vulnerability has been resolved: netfs: release readahead folios on iterator preparation failure netfspreparereaditerator batches readahead folios in putbatch so that the folio references can be dropped after the I/O iterator has been prepared. If...

UBUNTU-CVE-2026-57162

PJSIP is a free and open source multimedia communication library written in C. Prior to commit a1b707c, a stack buffer overflow exists in the SRTP/SDES media transport when processing a=crypto attributes during SDP offer/answer sdesencodesdp in transportsrtpsdes.c. This affects applications with...

UBUNTU-CVE-2026-57159

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 673b978, a remote out-of-bounds read and write can occur in the SDP negotiator when the remote payload-type map maintenance feature is enabled. assignptandupdatemap in pjmedia/src/pjmedia/sdpneg.c uses...

UBUNTU-CVE-2026-57164

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 8d5956a, a heap buffer overflow exists in the PJLIB-UTIL HTTP client httpclient.c when buffering an HTTP response body. This affects applications that use the PJLIB-UTIL HTTP client to receive a whole...

UBUNTU-CVE-2026-57160

PJSIP is a free and open source multimedia communication library written in C. Prior to commit d6a0e7f, a buffer overflow can occur in pjsipgenericarrayhdrprint in pjsip/src/pjsip/sipmsg.c, the function that serializes generic array headers such as Allow, Require, Supported, and Unsupported. Unde...

UBUNTU-CVE-2026-80887

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: use checkaddoverflow for shader size+offset bound vmwshaderdefine validates the user-supplied shader window against its backing buffer with u64buffer-tbo.base.size guestmemoryoffset and forwarded to host SVGA...

UBUNTU-CVE-2026-57166

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 4472a31, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when rendering feedback for an entered command line. Several command-line handling paths write an attacker-influenced amoun...

UBUNTU-CVE-2026-80903

In the Linux kernel, the following vulnerability has been resolved: drm/xe/oa: Fix sync entry leak on OA config emit failure xeoaemitoaconfig releases the sync entries and the syncs array only on its success path. When it fails before the point of no return fence allocation, config buffer...

UBUNTU-CVE-2026-18149

undici's retry handler can leave an already-exposed response body pending forever. When a server returns a successful response that declares a Content-Length, sends only part of the body, and closes the connection, the retry handler retries the request. If the retry returns a non-retryable status...

UBUNTU-CVE-2026-80891

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Validate AIBV and AISB before pinning guest pages The AIBV holds one bit per MSI-X vector for a given function. The size of the bit vector is derived from the NOI and the AIBVO. If the size of the AIBV exceeds a...

UBUNTU-CVE-2026-57161

PJSIP is a free and open source multimedia communication library written in C. Prior to commit acc03b5, a stack buffer overflow exists in PJSUA when processing Service-Route headers in a registration response updateserviceroute in pjsuaacc.c. This affects applications that register using the...

UBUNTU-CVE-2026-19534

undici's WebSocket client crashes the whole Node.js process during the opening handshake when a server responds with a subprotocol that the client never requested. A default WebSocket connection sends no subprotocol, but if the server's 101 response includes a Sec-WebSocket-Protocol header, undic...

UBUNTU-CVE-2026-57165

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 628b716, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when redrawing the command line during history recall handleupdown in clitelnet.c. This affects only applications that enab...

UBUNTU-CVE-2026-80902

In the Linux kernel, the following vulnerability has been resolved: dmaengine: sun6i-dma: Fix reclaim descriptors while terminating DMA When terminating DMA transfers, active descriptors are not properly reclaimed. Only cyclic descriptors were handled, leaving non-cyclic descriptors and their LLI...

UBUNTU-CVE-2026-80896

In the Linux kernel, the following vulnerability has been resolved: mshv: Fix race in mshvirqfddeassign mshvirqfddeactivate and the hlist traversal of ptirqfdslist require pt-ptirqfdslock to be held, but mshvirqfddeassign omits it. This races with the EPOLLHUP path in mshvirqfdwakeup, which does...

UBUNTU-CVE-2026-80892

In the Linux kernel, the following vulnerability has been resolved: erofs: cap LZMA stream pool size fs/erofs/decompressorlzma.c sizes the module-global MicroLZMA stream pool from numpossiblecpus when the lzmastreams module parameter is unset, then zerofsloadlzmaconfig preallocates one...

UBUNTU-CVE-2026-80893

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix swap entry corruption when clearing uffd-wp at fork copyhugetlbpagerange clears the uffd-wp bit of migration and hwpoison entries with hugepteclearuffdwp, which operates on the present-PTE bit position. Swap entri...

UBUNTU-CVE-2026-80894

In the Linux kernel, the following vulnerability has been resolved: iommufd: Fix wrong hwpt passed to iommufdautoresponsefaults on replace iommufdhwptreplacedevice calls: iommufdautoresponsefaultshwpt, oldhandle; passing the new hwpt together with the handle of the device's old domain. This shoul...