CVE-2026-42451

Grimmory is a self-hosted digital library. Prior to version 2.3.1, a stored cross-site scripting XSS vulnerability in Grimmory's browser-based EPUB reader allows an attacker to embed arbitrary JavaScript in a crafted EPUB file. When a victim opens the book, the script executes in their browser wi...

GHSA-HQ28-CRG7-95PR Snipe-IT has Privilege Escalation via API Permissions Assignment

Impact An authenticated user with only users.edit permission can escalate their own privileges to admin by sending a PATCH request to /api/v1/users/id with permissionsadmin=1. The API controller only strips the superuser key from the permissions array, allowing admin and all other permission keys...

[slackware-security] mozilla-thunderbird

New mozilla-thunderbird packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/mozilla-thunderbird-140.10.2esr-i686-1slack15.0.txz: Upgraded. This release contains security fixes and improvements. For...

CVE-2026-44284

FastGPT (before 4.14.17) had an SSRF flaw in MCP tool URL handling. An authenticated user with permission to create/manage MCP toolsets could store an internal endpoint (e.g., http://localhost:3000/mcp) via the MCP tool create/update endpoints. The stored URL could be used later by the backend wo...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.12.88 bug fix and security update

Red Hat OpenShift Container Platform release 4.12.88 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.12. Red Hat Product Security has rated this update as having a...

Wagtail has improper permission handling when viewing page history

Impact A CMS user without the ability to edit a page could still access the history report for the page, potentially resulting in disclosure of sensitive information. Patches Patched versions have been released as Wagtail 7.0.7 and 7.3.2. The new 7.4 LTS feature release also incorporates this fix...

GHSA-C4MR-889M-VGF6 Wagtail has improper permission handling when viewing page history

Impact A CMS user without the ability to edit a page could still access the history report for the page, potentially resulting in disclosure of sensitive information. Patches Patched versions have been released as Wagtail 7.0.7 and 7.3.2. The new 7.4 LTS feature release also incorporates this fix...

[SECURITY] Fedora 43 Update: kernel-7.0.4-100.fc43

The kernel meta package...

[SECURITY] [DSA 6256-1] php8.4 security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6256-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff May 08, 2026 https://www.debian.org/security/faq -...

EUVD-2026-28753

In the Linux kernel, the following vulnerability has been resolved: iavf: fix PTP use-after-free during reset Commit 7c01dbfc8a1c5f "iavf: periodically cache PHC time" introduced a worker to cache PHC time, but failed to stop it during reset or disable. This creates a race condition where...

EUVD-2026-28616

In the Linux kernel, the following vulnerability has been resolved: thermal: core: Fix thermal zone device registration error path If thermalzonedeviceregisterwithtrips fails after registering a thermal zone device, it needs to wait for the tz-removal completion like thermalzonedeviceunregister, ...

EUVD-2026-28565

In the Linux kernel, the following vulnerability has been resolved: rapidio: replace riofreenet with kfree in rioscanallocnet When idtab allocation fails, net is not registered with rioaddnet yet, so kfreenet is sufficient to release the memory. Set mport-net to NULL to avoid dangling pointer...

CVE-2026-43458

In the Linux kernel, the following vulnerability has been resolved: serial: caif: hold tty-link reference in ldiscopen and serrelease A reproducer triggers a KASAN slab-use-after-free in ptywriteroom when caifserial's TX path calls ttywriteroom. The faulting access is on tty-link-port. Hold an...

CVE-2026-43396

In the Linux kernel, the following vulnerability has been resolved: drm/xe/sync: Fix user fence leak on alloc failure When dmafencechainalloc fails, properly release the user fence reference to prevent a memory leak. cherry picked from commit a5d5634cde48a9fcd68c8504aa07f89f175074a0...

UBUNTU-CVE-2026-43437

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: fix use-after-free on linked stream runtime in sndpcmdrain In the drain loop, the local variable 'runtime' is reassigned to a linked stream's runtime runtime = s-runtime at line 2157. After releasing the stream lock at...

CVE-2026-43458

In the Linux kernel, the following vulnerability has been resolved: serial: caif: hold tty-link reference in ldiscopen and serrelease A reproducer triggers a KASAN slab-use-after-free in ptywriteroom when caifserial's TX path calls ttywriteroom. The faulting access is on tty-link-port. Hold an...

UBUNTU-CVE-2026-43358

In the Linux kernel, the following vulnerability has been resolved: btrfs: add missing RCU unlock in error path in tryreleasesubpageextentbuffer Call rcureadlock before exiting the loop in tryreleasesubpageextentbuffer because there is a rcureadunlock call past the loop. This has been detected by...

UBUNTU-CVE-2026-43447

In the Linux kernel, the following vulnerability has been resolved: iavf: fix PTP use-after-free during reset Commit 7c01dbfc8a1c5f "iavf: periodically cache PHC time" introduced a worker to cache PHC time, but failed to stop it during reset or disable. This creates a race condition where...

UBUNTU-CVE-2026-43396

In the Linux kernel, the following vulnerability has been resolved: drm/xe/sync: Fix user fence leak on alloc failure When dmafencechainalloc fails, properly release the user fence reference to prevent a memory leak. cherry picked from commit a5d5634cde48a9fcd68c8504aa07f89f175074a0...

CVE-2026-44498 ZEBRA: Block Validator Undercounts Coinbase and P2SH Sigops

ZEBRA is a Zcash node written entirely in Rust. Prior to version 4.4.0, Zebra's block validator undercounts transparent signature operations against the 20000-sigop block limit MAXBLOCKSIGOPS, allowing it to accept blocks that zcashd rejects with bad-blk-sigops. A miner who produces such a block...