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The CivetWeb web library does not validate uploaded filepaths when running on an OS other than Windows when using the built-in HTTP form-based file upload mechanism via the mg_handle_form_request API. Web applications that use the file upload form handler and use parts of the user-controlled filename in the output path are susceptible to directory traversal

An issue was discovered in the Linux kernel before 5.8.15. scalar32_min_max_or in kernel/bpf/verifier.c mishandles bounds tracking during use of 64-bit values aka CID-5b9fbeb75b6a.

An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c has an off-by-one error (with a resultant integer underflow) affecting out-of-bounds speculation on pointer arithmetic leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory aka CID-10d2bb2e6b1d.

An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c performs undesirable out-of-bounds speculation on pointer arithmetic leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory aka CID-f232326f6966. This affects pointer types that do not define a ptr_limit.

An issue was discovered in ioapic_lazy_update_eoi in arch/x86/kvm/ioapic.c in the Linux kernel before 5.9.2. It has an infinite loop related to improper interaction between a resampler and edge triggering aka CID-77377064c3a9.

Visual Studio Remote Code Execution Vulnerability

The Linux kernel through 5.8.13 does not properly enforce the Secure Boot Forbidden Signature Database (aka dbx) protection mechanism. This affects certs/blacklist.c and certs/system_keyring.c.

Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Further investigation showed that it was not a security issue. Notes: none

Windows Wireless Networking Spoofing Vulnerability

urllib3 before 1.25.9 allows CRLF injection if the attacker controls the HTTP request method as demonstrated by inserting CR and LF control characters in the first argument of putrequest(). NOTE: this is similar to CVE-2020-26116.

http.client in Python 3.x before 3.5.10 3.6.x before 3.6.12 3.7.x before 3.7.9 and 3.8.x before 3.8.5 allows CRLF injection if the attacker controls the HTTP request method as demonstrated by inserting CR and LF control characters in the first argument of HTTPConnection.request.

A missing CAP_NET_RAW check in NFC socket creation in net/nfc/rawsock.c in the Linux kernel before 5.8.2 could be used by local attackers to create raw sockets bypassing security mechanisms aka CID-26896f01467a.

An issue was discovered in the sized-chunks crate through 0.6.2 for Rust. In the InlineArray implementation an unaligned reference may be generated for a type that has a large alignment requirement.

An issue was discovered in the sized-chunks crate through 0.6.2 for Rust. In the Chunk implementation insert_from can have a memory-safety issue upon a panic.