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Latest Recommended Discord API abuse 0day CVE-2021-3449 OpenSSL Denial of Service Vulnerability CVE-2021-3297 Zyxel NBG2105 authentication bypass vulnerability Windows Chrome 0day vulnerability Android kernel privilege escalation vulnerability CVE-2019-2215 Binder UAF Apache Solr Arbitrary File Read Vulnerability CVE-2021-26708 Linux kernel before 5.10.13 elevation of privilege vulnerability Windows 7/Win2008 elevation of privilege zero-day vulnerability TikTok for Android Remote Code Execution Vulnerability CVE-2021-3493 Linux kernel elevation of privilege vulnerability CVE-2021-3449 OpenSSL Denial of Service Vulnerability

Popular Articles CVE-2021-26855-Exchange Server SSRF vulnerability

Excellent Article CVE-2021-3493 The OverlayFS vulnerability allows local users under Ubuntu to gain root privileges. An Ubuntu specific issue in the overlayfs file system in the Linux kernel, in which it did not correctly validate the application regarding the file system function of the user namespace. Since Ubuntu comes with a patch that allows unprivileged overlayfs to mount, local attackers can use it to gain higher privileges. Affected version Ubuntu 20.10 Ubuntu 20.04 LTS Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 ESM Repair suggestions Update system package version Update the Linux kernel to 5.11

Featured Articles There is a denial of service vulnerability in the Windows IPv6 protocol stack. An unauthorized remote attacker can exploit this vulnerability by sending specially crafted data packets to the target system. Successful exploitation of this vulnerability can lead to a denial of service of the target system. Affected version Windows All Introduction There is a denial of service vulnerability in the Windows IPv6 protocol stack. When IPv6 fragmentation is reorganized, because the parameter types used by the NetioRetreatNetBuffer function and the NdisGetDataBuffer function do not match, the latter can cause the latter to return a null pointer, which will cause a null pointer problem during subsequent copy operations. The attacker can insert the Fragment header for IPv6 option with another identifier at the end of the last fragment of a very large data packet, and continue to send the remaining fragments of the data packet with this identifier, thereby reorganizing the second group of data packets. The vulnerability is triggered at the time, causing the target system to deny service. see details

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Freedom is one of the greatest happiness God has given to mankind. ---- Cervantes To make a person a truly educated person, he must possess three qualities: profound knowledge, habit of thinking, and noble sentiment. Not much knowledge is ignorance; not accustomed to thinking is rude and stupid; without noble sentiment, it is vulgarity. ----Nikola Gavrinovich Chernyshevsky I want to take you back from all ages, from all nights, from all golden banners, from all swords; I want to throw away the keys and drive the dog away from the stone steps, because the night on the earth Here, I am more loyal than a dog. ----Tsvetayeva There is nothing in the world that is more complicated and richer than a person's personality... It is impossible to turn a child's spiritual world into a simple learning of knowledge. If we strive to focus all the spiritual power of a child on his homework, his life will become unbearable. Not only should he be a student, but first of all he should be a person with many interests, requirements and desires. ----V.A.Sukhomlinski People's happiness does not depend on the degree of wealth, but on the relationship between heart and heart and our outlook on life. These two points are always up to us, and this means that people can get happiness at any time as long as they want, and no one can hinder him. ----Alexander Solzhenitsyn

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