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Search Results (28284 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2026-117556 1 Zchunk 1 Zchunk 2026-10-28 4.3 Medium
zchunk before 1.5.5 contains a heap out-of-bounds read vulnerability in read_preface() in src/lib/header.c that passes the total header length instead of remaining bytes to compint parsing functions. Attackers can supply a crafted .zck file whose header ends inside a compressed integer, causing reads past the heap header buffer and crashing the application.
CVE-2026-113744 1 Tenda 1 Ac19 2026-10-28 10 Critical
A security vulnerability has been detected in Tenda AC19 16.03.10.07. The impacted element is the function formSetFirewallCfg of the file /goform/SetFirewallCfg of the component httpd Web Management Service. Such manipulation of the argument firewallEn leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.
CVE-2026-70126 1 Microsoft 27 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 24 more 2026-10-28 7.1 High
Out-of-bounds read in Windows Bluetooth Port Driver allows an unauthorized attacker to execute code over an adjacent network.
CVE-2026-70131 1 Microsoft 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more 2026-10-28 7.8 High
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to elevate privileges locally.
CVE-2026-70132 1 Microsoft 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more 2026-10-28 7.8 High
Heap-based buffer overflow in Windows Portable Device File System Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-70135 1 Microsoft 23 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 20 more 2026-10-28 5.5 Medium
Out-of-bounds read in Windows Remote POS Driver allows an authorized attacker to disclose information locally.
CVE-2026-70138 1 Microsoft 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more 2026-10-28 7.8 High
Heap-based buffer overflow in Windows OLE allows an authorized attacker to elevate privileges locally.
CVE-2026-70139 1 Microsoft 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more 2026-10-28 7.8 High
Heap-based buffer overflow in Windows Update Service allows an authorized attacker to elevate privileges locally.
CVE-2026-70149 1 Microsoft 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more 2026-10-28 8.8 High
Exposure of sensitive information to an unauthorized actor in Windows Client Side Caching driver (csc.sys) allows an authorized attacker to disclose information locally.
CVE-2026-70157 1 Microsoft 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more 2026-10-28 9.8 Critical
Heap-based buffer overflow in Windows System Information Console allows an unauthorized attacker to execute code over a network.
CVE-2026-70116 1 Microsoft 10 Windows 11 24h2, Windows 11 24h2, Windows 11 25h2 and 7 more 2026-10-28 4.2 Medium
Stack-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to bypass a security feature with a physical attack.
CVE-2026-70208 1 Microsoft 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more 2026-10-28 5.5 Medium
Out-of-bounds read in Windows HTTP.sys allows an authorized attacker to disclose information locally.
CVE-2026-70210 1 Microsoft 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more 2026-10-28 8.8 High
Heap-based buffer overflow in Windows OLE DB allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-99109 1 Linux 2 Linux, Linux Kernel 2026-10-28 N/A
In the Linux kernel, the following vulnerability has been resolved: smb: client: reject SetEA requests that do not fit the request buffer CIFSSMBSetEA() copies the caller's extended attribute value into the SMB request buffer without checking that it fits. The requirement is stated in the source but was never implemented: /*BB add length check to see if it would fit in negotiated SMB buffer size BB */ /* if (ea_value_len > buffer_size - 512 (enough for header)) */ if (ea_value_len) memcpy(parm_data->list.name + name_len + 1, ea_value, ea_value_len); The only bound applied on the way in is in cifs_xattr_set(): #define MAX_EA_VALUE_SIZE CIFSMaxBufSize ... if (size > MAX_EA_VALUE_SIZE) CIFSMaxBufSize is the full payload capacity of the buffer, so a value of exactly that size leaves no room for the SMB header, the TRANS2 parameter block, the fealist header and the EA name that are written ahead of it in the same object. SendReceive() already enforces the correct limit on this very length: if (in_len > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE) but it is called after the copy has taken place. An unprivileged setxattr(2) on an SMB1 mount with a 250-byte name and a 16384-byte value writes 16384 bytes starting 345 bytes into a 16588-byte cifs_request object, ending 141 bytes past it: BUG: KASAN: slab-out-of-bounds in CIFSSMBSetEA+0xabc/0xde0 Write of size 16384 at addr ffff888003aa0159 by task init/68 __asan_memcpy+0x3c/0x60 CIFSSMBSetEA+0xabc/0xde0 cifs_xattr_set+0xd3a/0xff0 __vfs_setxattr+0x13e/0x1a0 The buggy address is located 345 bytes inside of allocated 16588-byte region Apply SendReceive()'s limit to the assembled request before the copy rather than after it, and widen the byte counters so the sum cannot wrap before it is tested. byte_count is also tested against U16_MAX, because it is stored in the 16-bit pSMB->ByteCount. That becomes reachable when CIFSMaxBufSize is raised at module load, where it may be set as high as 1024*127: with a 5-byte EA name and a 65521-byte value, count is exactly U16_MAX while byte_count is 65556, and cpu_to_le16() would truncate it to 20 and transmit a frame whose ByteCount does not match its length. Testing byte_count covers count as well, since byte_count is the larger of the two and count's only 16-bit consumer is written after this point. check_add_overflow() is evaluated first so that total_len is assigned before it is reported.
CVE-2026-96866 1 Microsoft 14 Windows 10 1607, Windows 10 1809, Windows Server 2012 and 11 more 2026-10-28 7.5 High
Out-of-bounds read in Network Device Enrollment Service (NDES) allows an unauthorized attacker to deny service over a network.
CVE-2026-96863 1 Microsoft 12 Windows 11 23h2, Windows 11 23h2, Windows 11 24h2 and 9 more 2026-10-28 6.8 Medium
Heap-based buffer overflow in Windows Storage Port Driver allows an unauthorized attacker to elevate privileges with a physical attack.
CVE-2026-96862 1 Microsoft 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more 2026-10-28 7.8 High
Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
CVE-2026-96861 1 Microsoft 14 Windows 10 1607, Windows 10 1809, Windows Server 2012 and 11 more 2026-10-28 7.5 High
Out-of-bounds read in Network Device Enrollment Service (NDES) allows an unauthorized attacker to deny service over a network.
CVE-2026-85905 1 Microsoft 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more 2026-10-28 8.8 High
Heap-based buffer overflow in Windows UI Immersive Server allows an authorized attacker to elevate privileges locally.
CVE-2026-85908 1 Microsoft 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more 2026-10-28 7.8 High
Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.