Lucene search
+L
AstralinuxRecent

21806 matches found

AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•25 views

Astra Linux – Vulnerability in ffmpeg

A denial-of-service vulnerability exists in FFmpeg 4.2 due to a memory leak in the avprivfloatdspallocl function in libavutil/floatdsp.c...

6.5CVSS6.3AI score0.01021EPSS
SaveExploits1References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•7 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: vt: Clear the selection before changing the font. When changing the console font using ioctlKDFONTOP, the new font size may be larger than the previous one. As a result, a previously made selection might now be outside the new...

7.8CVSS6.1AI score0.00267EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•9 views

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/sched: Fixed reference leaks related to netdevice objects in attachdefaultqdiscs. In attachdefaultqdiscs, if a device has multiple queues and queue 0 fails to attach a qdisc due to lack of memory during attachonedefaultqdisc,...

5.5CVSS6AI score0.00246EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•14 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ieee802154/adf7242: defer destroyworkqueue call There is a possible race condition use-after-free as follows: FREE | USE adf7242remove | adf7242channel canceldelayedworksync | destroyworkqueue 1 | adf7242cmdrx | moddelayedwork 2 ...

8CVSS6AI score0.00253EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•9 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbpm2fb: Avoid potential divide by zero errors In dofbioctl of fbmem.c, if cmd is FBIOPUTVSCREENINFO, var will be copied from the user. Then, the functions fbsetvar and info-fbops-fbcheckvar will be called, which might...

5.5CVSS6AI score0.00247EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•10 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: kprobes: Do not call disarmkprobe for disabled kprobes The assumption in disablekprobe is incorrect, and it may attempt to disarm a kprobe that is already disarmed, thereby triggering WARNONCE below. This issue can be easily...

5.5CVSS6.1AI score0.00247EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•11 views

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp – Use kzalloc for sev ioctl interfaces to prevent kernel memory leaks. For some sev ioctl interfaces, input data may be less than or equal to SEVFWBLOBMAXSIZE, but larger than the data returned by the PSP firmware. In...

5.5CVSS6.1AI score0.00229EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•13 views

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cpufreq: qcom: fix writes in read-only memory region This commit fixes a kernel error caused by a write operation in read-only memory: 9.068287 Unable to handle kernel write to read-only memory at virtual address ffff800009240ad8...

7.1CVSS6.2AI score0.00163EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•16 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Rapidio: fixed a possible UAF Use-after-Allocation when kfifoalloc fails. If kfifoalloc fails in mportcdevopen, it jumps to errfifo and simply frees priv. However, priv is still in chdev-filelist, and traversing the list may lead...

7.8CVSS6.3AI score0.00171EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•12 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Memory: Fixed the refcount leak issue in ofgetddrtimings. We should add ofnodeput when breaking out of foreachchildofnode, as this will automatically increase and decrease the refcount...

5.5CVSS5.8AI score0.00163EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•5 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: The dvbdev: device driver adopts a reference counter to avoid Use-After-Free UAF vulnerabilities. It is known that the dvbunregisterdevice function is prone to use-after-free issues. In other words, the cleanup performed by...

7.8CVSS6.6AI score0.00164EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•6 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: power: supply: fixed null pointer dereferencing in powersupplygetbatteryinfo. When kmalloc fails to allocate memory in kasprintf, propname will be NULL. The strcmp function called by ofgetproperty will cause a null pointer...

5.5CVSS5.8AI score0.00161EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•11 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: PNP: Fixed a name memory leak in pnpallocdev. After committing change 1fa5ae857bb1 “Driver core: get rid of struct device’s busid string array”, the name of the device is allocated dynamically. devsetname was moved after pnpaddid...

5.5CVSS5.7AI score0.00163EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•7 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ext4: A bug related to delayed allocation was fixed in ext4clumapped for bigalloc and inline scenarios. When converting files with inline data to extents, delayed allocations made on a file system created with both bigalloc and...

7.8CVSS6AI score0.00168EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•9 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: qlcnic: Prevent “dbc use-after-free” in qlcnicdcbenable. The “adapter-dcb” pointer would be silently freed within qlcnicdcbenable if qlcnicdcbattach returns an error—something that always occurs under OOM conditions. This could...

5.5CVSS5.8AI score0.00162EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•13 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: UM: cpuinfo: Fixed a warning for CONFIGCPUMASKOFFSTACK When CONFIGCPUMASKOFFSTACK and CONFIGDEBUGPERCPUMAPS are selected, cpumaxbitswarn generates a runtime warning similar to the following, while we display /proc/cpuinfo. This...

5.5CVSS5.9AI score0.00163EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•10 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: media: xilinx: vipp: The refcount leak in xvipgraphdmainit has been fixed. The function ofgetchildbyname now returns a node pointer with a refcount incremented. We should use ofnodeput on it when there is no longer a need for it...

5.5CVSS5.7AI score0.00163EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•27 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Atacade: Ahci: Matching EMMAXSLOTS with SATAPMPMAXPORTS UBSAN reports an array-index-out-of-bounds issue: 1.980703 Kernel: UBSAN: Array-index out of bounds in /build/linux-9H675w/linux-5.15.0/drivers/ata/libahci.c:968:41 1.980709...

7.8CVSS6.1AI score0.00168EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•12 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: A reference count leak was fixed in hshewephaslimitsbox. pcigetdevice will increase the reference count of the returned ‘dev’. We need to call pcidevput to decrease the reference count. Since ‘dev’ is only...

5.5CVSS5.7AI score0.0016EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•7 views

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: jbd2: fixed a potential use-after-free issue in jbd2fcwaitbufs. In jbd2fcwaitbufs, using bh after referencing the buffer’s head count may lead to a use-after-free. Therefore, ensure that the buffer is updated before referencing i...

7.8CVSS6.6AI score0.00163EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•11 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Initializing quotas for ‘old.inode’ in ‘ext4rename’. Syzbot identified the following issues: - ext4parseparam: swantextraisize=128 - ext4inodeinfoinit: swantextraisize=32 - ext4rename: old.inode=ffff88823869a2c8;...

5.5CVSS6.2AI score0.00163EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•9 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: nfsd: Fixed a memory leak in the error handling process. If the memdupuser call fails, the memory allocated in a previous call a few lines above should be freed. Otherwise, a memory leak occurs...

5.5CVSS5.6AI score0.0016EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•6 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: misc: tifm: fixed a possible memory leak in tifm7xx1switchmedia If the deviceregister function returns an error in tifm7xx1switchmedia, the name of the kobject allocated by devsetname called during deviceadd may be leaked. Do not...

5.5CVSS5.7AI score0.00163EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•13 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: brcmfmac: An error occurs when retrieving an invalid maxflowrings value from a dongle. When the firmware encounters a trap during initialization, the host reads an abnormal maxflowrings value from the dongle. This can lead to a...

4.2CVSS5.8AI score0.00295EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•12 views

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: i2c: mux: reg: Check the return value after calling platformgetresource. This issue could lead to a null-ptr-deref in resourcesize if platformgetresource returns NULL. It is recommended to call resourcesize after...

5.5CVSS5.9AI score0.00208EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•21 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: skbuff: Account for tail adjustment during pull operations Extending the tail of a data structure may have some unexpected side effects if a program uses a helper function like BPFFUNCskbpulldata to read partial content beyond th...

7.5CVSS6AI score0.00575EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•15 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ALSA: ac97 – a possible memory leak has been fixed in sndac97devregister. If devregister fails in sndac97devregister, it should call putdevice to release the reference, otherwise the name allocated by devsetname may be leaked...

5.5CVSS5.6AI score0.00156EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•11 views

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: drm/msm/hdmi: fixed memory corruption due to too many bridges. Added a missing sanity check on the bridge counter to prevent corruption of data beyond the fixed-sized bridge array, in case there are more than eight bridges...

7.8CVSS6.6AI score0.00164EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•11 views

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: libertas – fixed a memory leak in lbsinitadapter. When kfifoalloc failed in lbsinitadapter, the command buffer was not released. Add freed memory to the processing error path...

5.5CVSS5.8AI score0.00159EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•18 views

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the ksmbd component of the Linux kernel. A memory leak may occur if a client sends a session setup request with an unknown NTLMSSP message type, potentially leading to resource exhaustion...

5.3CVSS5.7AI score0.00497EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•10 views

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Check kzalloc in lpfcsli4cgnparamsread. If kzalloc fails in lpfcsli4cgnparamsread, then we rely on lpfcreadobject’s routine to perform a NULL check on pdata. Currently, an early return error is thrown from...

5.5CVSS6AI score0.00202EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•14 views

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: A memory leak was fixed by using debugfslookup. When calling debugfslookup, the result must also contain a call to dput. Otherwise, a memory leak will occur over time. To simplify things, simply call...

5.5CVSS5.8AI score0.00202EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•8 views

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: irqchip/ti-sci: The refcount leak in tisciintrirqdomainprobe has been fixed. The function ofirqfindparent returns a node pointer with the refcount incremented. We should use ofnodeput on it when it is no longer necessary. Add...

5.5CVSS5.7AI score0.0016EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•16 views

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: arm64: efi: Make efirtlock a rawspinlock Running a rt-kernel base on 6.2.0-rc3-rt1 on an Ampere Altra outputs the following: BUG: A sleeping function is called from an invalid context at kernel/locking/spinlockrt.c:46 inatomic: 1...

7.8CVSS6.4AI score0.00168EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•14 views

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: netupunidvb: fix use-after-free at deltimer When the Universal DVB card is being detached, netupunidvbdmafini uses deltimer to stop the dma-timeout timer. However, when the timer handler netupunidvbdmatimeout is running,...

7.8CVSS6.4AI score0.00164EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•14 views

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: spi: imx: Do not skip cleanup in the error path of the remove function Returning early in the remove callback of a platform driver is incorrect. In this case, the DMA resources are not released during the error path. This issue i...

5.5CVSS5.9AI score0.00167EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•11 views

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp5: Added a check for kzalloc. Since kzalloc may fail and return a NULL pointer, it’s better to check the return value in order to avoid dereferencing a NULL pointer. Patchwork:...

5.5CVSS5.8AI score0.0016EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•13 views

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: VMCI: Check context-notifypage after the call to getuserpagesfast to avoid GPF. The call to getuserpagesfast in vmcihostunlockedioctl may return NULL for context-notifypage, causing a GPF. To avoid this, check if context-notifypa...

7.1CVSS6.3AI score0.00152EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•15 views

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ubifs: Memory freed for the tmpfile name When opening a ubifs tmpfile in an encrypted directory, the function fscryptsetupfilename allocates memory for the name that will be stored in the directory entry. However, after the name ...

5.5CVSS6AI score0.00163EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•12 views

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sctp: Check the send stream number after waitforsndbuf This patch addresses a corner case where the number of out streams may change after waitforsndbuf is called. When the main thread in the client initiates a connection, if the...

5.5CVSS6.2AI score0.00149EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•8 views

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fixed the issue where “r10bio-remaining” was leaked for recovery purposes. raid10syncrequest will add “r10bio-remaining” for both rdev and replacement rdev. However, if the read I/O fails, recoveryrequestwrite returns...

5.5CVSS6AI score0.00152EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•15 views

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: fec: Better handling of the case where pmruntimeget fails in .remove. In the unlikely event that pmruntimeget disguised as pmruntimeresumeandget fails, the remove callback returns an error early. The problem with this is tha...

7.8CVSS5.9AI score0.00168EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•22 views

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: ath11k: Fixed corruption of SKBs in the REO destination ring. While running traffic for a long time, a random RX descriptor filled with the value “0” from the REO destination ring is received. This invalid descriptor...

8.8CVSS6.3AI score0.00236EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•8 views

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed a warning in mbfindextent. Syzbot identified the following issues: EXT4-fs: Warning: Mounting with data=journal disables delayed allocation, dioreadnolock, ODIRECT, and fastcommit support! EXT4-fs loop0: orphan...

5.5CVSS6AI score0.0016EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•16 views

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PowerPC: Do not attempt to copy PPR for tasks with NULL pt regs. PowerPC sets up PFKTHREAD and PFIOWORKER with a NULL pt regs, which, according to my arguably very brief checking, is not commonly done for other architectures. Thi...

5.5CVSS5.7AI score0.00148EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•10 views

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: ov2740: Fixed a memory leak in ov2740initcontrols There is a memory leak when testing the media/i2c/ov2740.c file using bpf mock. Unreferenced object: 0xffff8881090e19e0 size 16: Command “51-i2c-ov2740”, PID 278, jiffies...

5.5CVSS5.8AI score0.00202EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•5 views

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6: Added lwtunnel encap size for all siblings in the nexthop calculation. In the function rt6nlmsgsize, the length of nexthop is calculated by multiplying the nexthop length of fib6info with the number of siblings. However, if...

5.5CVSS6AI score0.00156EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•16 views

Astra Linux – Vulnerability in binutils

A issue was discovered in cp-demangle.c within GNU libiberty, as distributed in GNU Binutils 2.31. There is a stack consumption problem caused by the cplusdemangletype function making recursive calls to itself in certain scenarios involving many ‘P’ characters...

5.5CVSS6.6AI score0.01291EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•6 views

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: igb: Fixed the issue where igbdown got hung when removing the Thunderbolt hub. In a setup where a Thunderbolt hub is connected to Ethernet and a display via USB Type-C, users may experience a task-hanging timeout when they remove...

7.8CVSS6.2AI score0.00169EPSS
SaveExploits0References2
AstraLinux
AstraLinux
•added 2026/09/14 12:41 p.m.•12 views

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: UDF: Fixed uninitialized array access for some pathnames For filenames that start with . and are between 2 and 5 characters long, the UDF charset conversion code would read uninitialized memory from the output buffer. The only...

5.5CVSS6.1AI score0.0016EPSS
SaveExploits0References2
Total number of security vulnerabilities21806