Linux Distros Unpatched Vulnerability : CVE-2026-55213

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1, when h2o processes a QPACK...

CVE-2026-55213

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1, when h2o processes a QPACK instruction sent from the peer over HTTP/3, lib/http3/qpack.c might allocate an on-stack buffer as large as approximately 800 KB by calling...

CVE-2026-55213 h2o: musl libc stack overflow (QPACK)

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1, when h2o processes a QPACK instruction sent from the peer over HTTP/3, lib/http3/qpack.c might allocate an on-stack buffer as large as approximately 800 KB by calling...

SUSE CVE-2026-52937

In the Linux kernel, the following vulnerability has been resolved: tap: fix stack info leak in tapioctl SIOCGIFHWADDR In the SIOCGIFHWADDR path, tapioctl copies 16 bytes of an uninitialised on-stack struct sockaddrstorage to userspace via ifrhwaddr, but netifgetmacaddress only writes safamily an...

CVE-2026-52995

Summary (concrete details from connected docs): CVE-2026-52995 affects the Linux kernel RDS info paths (RDS/IB and RDS6/IB visitors). The root cause is that rds_for_each_conn_info() and rds_walk_conn_path_info() pass a caller-allocated on‑stack u64 buffer to visitors and then copy full item_len b...

CVE-2026-52995

In the Linux kernel, the following vulnerability has been resolved: net/rds: zero per-item info buffer before handing it to visitors rdsforeachconninfo and rdswalkconnpathinfo both hand a caller-allocated on-stack u64 buffer to a per-connection visitor and then copy the full itemlen bytes back to...

PT-2026-44255

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A stack information leak exists in the rtnl fill vfinfo function. The function declares a struct ifla vf broadcast on the stack without initialization. This structure contains a 32-byte...

CVE-2026-42859

Neat VNC is a VNC server library. Prior to 0.9.6, a pre-authentication stack buffer overflow exists in neatvnc in the RSA-AES security type handler. An unauthenticated remote attacker who can reach the VNC listening socket can send a crafted security type 5 RSA-AES or security type 129 RSA-AES-25...

Scan discovered multiple CVEs against glibc

Binary scan of Brocade Fabric OS identified multiple potential CVEs against glibc CVE-2020-6096 An exploitable signed comparison vulnerability exists in the ARMv7 memcpy implementation of GNU glibc 2.30.9000. Calling memcpy on ARMv7 targets that utilize the GNU glibc implementation with a negativ...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003654)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003654 advisory. An issue was discovered in writetptentry in drivers/infiniband/hw/cxgb4/mem.c in the Linux kernel through 5.3.2. The cxgb4 driver is directly calling dmamapsingle a...

Exploit for Use After Free in Apple Safari

CVE-2025-43529: JavaScriptCore DFG ObjectAllocationSinkingPhas...

SUSE CVE-2023-54235

In the Linux kernel, the following vulnerability has been resolved: PCI/DOE: Fix destroyworkonstack race The following debug object splat was observed in testing: ODEBUG: free active active state 0 object: 0000000097d23782 object type: workstruct hint: doestatemachinework+0x0/0x510 WARNING: CPU: ...

CVE-2023-54235

In the Linux kernel, the following vulnerability has been resolved: PCI/DOE: Fix destroyworkonstack race The following debug object splat was observed in testing: ODEBUG: free active active state 0 object: 0000000097d23782 object type: workstruct hint: doestatemachinework+0x0/0x510 WARNING: CPU: ...

UBUNTU-CVE-2023-54235

In the Linux kernel, the following vulnerability has been resolved: PCI/DOE: Fix destroyworkonstack race The following debug object splat was observed in testing: ODEBUG: free active active state 0 object: 0000000097d23782 object type: workstruct hint: doestatemachinework+0x0/0x510 WARNING: CPU: ...

CVE-2023-54235

CVE-2023-54235 affects the Linux kernel and describes a race in the PCI/DOE path where destroy_work_on_stack() could race with the PCI DOE worker’s work_struct going out of scope. The issue manifested as a debug object dump and warning in the DoE workqueue (pci 0000:36:00.0 DOE). The recommended ...

EUVD-2025-205581

A type confusion in jsish 2.0 allows incorrect control flow during execution of the OPNEXT opcode. When an “instanceof” expression uses an array element access as the left-hand operand inside a for-in loop, the instructions implementation leaves an additional array reference on the stack rather...

CVE-2025-68234

In the Linux kernel, the following vulnerability has been resolved: iouring/cmdnet: fix wrong argument types for skbqueuesplice If timestamp retriving needs to be retried and the local list of SKB's already has entries, then it's spliced back into the socket queue. However, the arguments for the...

Siemens SCALANCE and RUGGEDCOM Devices Improper Input Validation (CVE-2024-53680)

ipvs: vulnerability causes undefined behavior due to uninitialized stack access in ipvsprotocolinit, which is fixed by zeroing the on-stack buffer to prevent out-of-bound accesses. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more informatio...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990081)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990081 advisory. In the Linux kernel, the following vulnerability has been resolved: ipvs: fix UB due to uninitialized stack access in ipvsprotocolinit Under certain kernel...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: wifi: mt76: fix linked list corruption Never leave scheduled wcid entries on the temporary on-stack list...