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| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-99274 | 1 Linux | 2 Linux, Linux Kernel | 2026-11-07 | N/A |
| In the Linux kernel, the following vulnerability has been resolved: smb: client: fix fiemap wild read on empty truncated response smb3_fiemap() treats -E2BIG from SMB2_ioctl() as a truncated range blob and loops for the next chunk. If the server reports STATUS_BUFFER_OVERFLOW with OutputCount == 0, SMB2_ioctl() returns -E2BIG with out_data == NULL and out_data_len == 0, and the existing length checks accept the empty result. The loop then evaluates next = out_data[num - 1].file_offset + ... with num == 0, reading 16 bytes before NULL. Reject a truncated range blob that contains no range, so the resume offset is never computed from an empty response. Also require the last range in a truncated blob to advance the resume offset without overflowing, and to stay within the requested range; a malicious or broken server could otherwise make no progress or underflow len and loop forever. Free the previous response buffer before retrying. Reproduced on 6.6.87.2 with a malicious SMB2 server that answers FSCTL_QUERY_ALLOCATED_RANGES with STATUS_BUFFER_OVERFLOW and OutputCount == 0; an FS_IOC_FIEMAP ioctl on the mount oopses in cifs_fiemap() with CR2 = fffffffffffffff8. The code path is unchanged on mainline. | ||||
| CVE-2026-99275 | 1 Linux | 2 Linux, Linux Kernel | 2026-11-07 | N/A |
| In the Linux kernel, the following vulnerability has been resolved: smb: client: reject short SESSION_SETUP responses smb2_check_message() accepts frames shorter than struct smb2_pdu when the SMB2 status is non-zero, before the minimum-PDU check added by b4694f269e66d. A 64-byte STATUS_MORE_PROCESSING_REQUIRED SESSION_SETUP response is therefore accepted even though it cannot contain the SecurityBufferOffset and SecurityBufferLength fields. The parser then reads those fields from stale bytes left in the reused receive buffer by an earlier frame. With a long stale SecurityBufferLength, decode_ntlmssp_challenge() copies up to about 64 KB from beyond the receive object and sends the data back to the server in the NTLMv2 AUTHENTICATE target info. Reject short MPR SESSION_SETUP responses before the short-error path, and validate SecurityBufferOffset + SecurityBufferLength against the received response length before decoding the challenge. The ordering bypass is not new: the short-error early return predates b4694f269e66d, and the unvalidated SecurityBufferLength read predates the 2016 raw NTLMSSP split in 166cea4dc3a4, so all supported stable trees are affected. Reproduced on 6.6.87.2; the path is unchanged on mainline. | ||||
| CVE-2026-99272 | 1 Linux | 1 Linux Kernel | 2026-11-07 | N/A |
| In the Linux kernel, the following vulnerability has been resolved: smb: client: validate the data area in SMB2_read() SMB2_read() copies le32_to_cpu(rsp->DataLength) bytes from (char *)rsp + rsp->DataOffset without checking that the range lies within the response actually received. A READ response with DataOffset == 0 makes smb2_get_data_area_len() zero the data length, so smb2_check_message() accepts a frame as short as the fixed response, while SMB2_read() still uses the server-supplied DataLength, capped only by CIFS_MAX_MSGSIZE and the caller's length. A malicious server can answer the synchronous read used by the mfsymlinks (or SFU) symlink parser with an 81-byte READ response carrying DataOffset 0 and DataLength 1067, making the client copy 1067 bytes from a 448-byte receive object (KASAN slab-out-of-bounds; up to 16 KiB in the general case). Clamp a zero (or header-overlapping) DataOffset to read_rsp_size, as handle_read_data() does for the asynchronous path, and reject the response unless DataOffset + DataLength fits within rsp_iov.iov_len. The SMB1 helper was fixed the same way in 5be5bdda5863. | ||||
| CVE-2026-124312 | 2026-11-07 | 4.7 Medium | ||
| Fraunhofer HHI VVdeC through 3.2.1 contains a heap out-of-bounds read vulnerability that allows attackers to crash the decoder by supplying a collocated picture of different resolution. Attackers can craft a VVC bitstream enabling TMVP with a smaller collocated reference picture, causing getColInfo to read past the colMotion allocation when error concealment is enabled. | ||||
| CVE-2026-124309 | 2026-11-07 | 6.1 Medium | ||
| Fraunhofer HHI VVdeC before 3.2.1 contains a heap out-of-bounds read vulnerability in SEIReader::xParseSEIScalableNesting that allows attackers to read past heap allocations by casting the SEI wrapper object instead of its payload. Attackers can supply a crafted VVC bitstream with a scalable nesting SEI containing a nested buffering period SEI to crash the decoder or copy adjacent heap memory. | ||||
| CVE-2023-39197 | 3 Fedoraproject, Linux, Redhat | 4 Fedora, Linux Kernel, Enterprise Linux and 1 more | 2026-11-07 | 4 Medium |
| An out-of-bounds read vulnerability was found in Netfilter Connection Tracking (conntrack) in the Linux kernel. This flaw allows a remote user to disclose sensitive information via the DCCP protocol. | ||||
| CVE-2023-4527 | 4 Fedoraproject, Gnu, Netapp and 1 more | 33 Fedora, Glibc, H300s and 30 more | 2026-11-07 | 6.5 Medium |
| A flaw was found in glibc. When the getaddrinfo function is called with the AF_UNSPEC address family and the system is configured with no-aaaa mode via /etc/resolv.conf, a DNS response via TCP larger than 2048 bytes can potentially disclose stack contents through the function returned address data, and may cause a crash. | ||||
| CVE-2023-3773 | 4 Debian, Fedoraproject, Linux and 1 more | 5 Debian Linux, Fedora, Linux Kernel and 2 more | 2026-11-07 | 5.5 Medium |
| A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to cause a 4 byte out-of-bounds read of XFRMA_MTIMER_THRESH when parsing netlink attributes, leading to potential leakage of sensitive heap data to userspace. | ||||
| CVE-2023-4693 | 2 Gnu, Redhat | 3 Grub2, Enterprise Linux, Rhel Els | 2026-11-07 | 5.3 Medium |
| An out-of-bounds read flaw was found on grub2's NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations. A successful attack allows sensitive data cached in memory or EFI variable values to be leaked, presenting a high Confidentiality risk. | ||||
| CVE-2023-43789 | 3 Fedoraproject, Libxpm Project, Redhat | 4 Fedora, Libxpm, Enterprise Linux and 1 more | 2026-11-07 | 5.5 Medium |
| A vulnerability was found in libXpm where a vulnerability exists due to a boundary condition, a local user can trigger an out-of-bounds read error and read contents of memory on the system. | ||||
| CVE-2023-43785 | 3 Fedoraproject, Redhat, X.org | 4 Fedora, Enterprise Linux, Rhel Els and 1 more | 2026-11-07 | 6.5 Medium |
| A vulnerability was found in libX11 due to a boundary condition within the _XkbReadKeySyms() function. This flaw allows a local user to trigger an out-of-bounds read error and read the contents of memory on the system. | ||||
| CVE-2023-39192 | 3 Fedoraproject, Linux, Redhat | 4 Fedora, Linux Kernel, Enterprise Linux and 1 more | 2026-11-07 | 6.7 Medium |
| A flaw was found in the Netfilter subsystem in the Linux kernel. The xt_u32 module did not validate the fields in the xt_u32 structure. This flaw allows a local privileged attacker to trigger an out-of-bounds read by setting the size fields with a value beyond the array boundaries, leading to a crash or information disclosure. | ||||
| CVE-2023-39193 | 3 Fedoraproject, Linux, Redhat | 4 Fedora, Linux Kernel, Enterprise Linux and 1 more | 2026-11-07 | 6.1 Medium |
| A flaw was found in the Netfilter subsystem in the Linux kernel. The sctp_mt_check did not validate the flag_count field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure. | ||||
| CVE-2023-39194 | 3 Fedoraproject, Linux, Redhat | 4 Fedora, Linux Kernel, Enterprise Linux and 1 more | 2026-11-07 | 3.2 Low |
| A flaw was found in the XFRM subsystem in the Linux kernel. The specific flaw exists within the processing of state filters, which can result in a read past the end of an allocated buffer. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, potentially leading to an information disclosure. | ||||
| CVE-2023-39189 | 3 Fedoraproject, Linux, Redhat | 4 Fedora, Linux Kernel, Enterprise Linux and 1 more | 2026-11-07 | 5.1 Medium |
| A flaw was found in the Netfilter subsystem in the Linux kernel. The nfnl_osf_add_callback function did not validate the user mode controlled opt_num field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure. | ||||
| CVE-2023-38559 | 4 Artifex, Debian, Fedoraproject and 1 more | 5 Ghostscript, Debian Linux, Fedora and 2 more | 2026-11-07 | 5.5 Medium |
| A buffer overflow flaw was found in base/gdevdevn.c:1973 in devn_pcx_write_rle() in ghostscript. This issue may allow a local attacker to cause a denial of service via outputting a crafted PDF file for a DEVN device with gs. | ||||
| CVE-2023-38252 | 3 Fedoraproject, Redhat, Tats | 5 Extra Packages For Enterprise Linux, Fedora, Enterprise Linux and 2 more | 2026-11-07 | 4.7 Medium |
| An out-of-bounds read flaw was found in w3m, in the Strnew_size function in Str.c. This issue may allow an attacker to cause a denial of service through a crafted HTML file. | ||||
| CVE-2023-3745 | 2 Imagemagick, Redhat | 2 Imagemagick, Rhel Els | 2026-11-07 | 5.5 Medium |
| A heap-based buffer overflow issue was found in ImageMagick's PushCharPixel() function in quantum-private.h. This issue may allow a local attacker to trick the user into opening a specially crafted file, triggering an out-of-bounds read error and allowing an application to crash, resulting in a denial of service. | ||||
| CVE-2023-4042 | 2 Artifex, Redhat | 10 Ghostscript, Codeready Linux Builder, Codeready Linux Builder For Arm64 and 7 more | 2026-11-07 | 5.5 Medium |
| A flaw was found in ghostscript. The fix for CVE-2020-16305 in ghostscript was not included in RHSA-2021:1852-06 advisory as it was claimed to be. This issue only affects the ghostscript package as shipped with Red Hat Enterprise Linux 8. | ||||
| CVE-2026-112627 | 1 Apple | 5 Ios And Ipados, Ipados, Iphone Os and 2 more | 2026-11-07 | 3.3 Low |
| An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27.2. Processing a maliciously crafted image may result in disclosure of process memory. | ||||