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Search Results (4864 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2026-75141 1 Ffmpeg 1 Ffmpeg 2026-10-27 7.8 High
FFmpeg before commit acf5d7c contains a heap buffer overflow in the hvcC box writer. When writing an HEVC configuration record with more NAL units of a single type than the count field can represent, the NAL unit count overflows, causing a heap buffer overflow. A crafted HEVC input file triggers the overflow during muxing.
CVE-2026-68765 1 Hashcat 1 Hashcat 2026-10-27 6.1 Medium
hashcat master branch builds after v7.1.2 contain a heap buffer overflow vulnerability in the KeePass AESKDF/KDBX v4 module (module 34301) that allows attackers to corrupt adjacent heap memory by supplying an oversized ninth hash field token. The module accepts up to 600 hex characters for the ninth token field but decodes it into a fixed 256-byte buffer with no length check, allowing a maximal input to write up to 44 bytes past the buffer boundary into adjacent esalt fields and heap chunk metadata, potentially enabling heap corruption or memory access violations.
CVE-2026-78846 2026-10-27 9.8 Critical
Multiple AiDot devices are vulnerable to a heap-based buffer overflow via SSDP location header parsing.
CVE-2026-103966 1 Adobe 2 Adobe Framemaker 2022, Adobe Framemaker 2026 2026-10-26 7.8 High
Adobe Framemaker is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
CVE-2026-79831 1 Hpe 1 Nonstop Posix User Threads 2026-10-26 6.6 Medium
A heap buffer overflow in HPE NonStop Posix User Threads may allow arbitrary code execution.
CVE-2025-60490 1 Gpac 1 Mp4box 2026-10-26 5.5 Medium
A heap use-after-free in the gf_filter_pid_send_event_downstream function (/filter_core/filter_pid.c) of GPAC Project/MP4Box before 2.5 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
CVE-2026-112393 2 Python, Python-pillow 2 Pillow, Pillow 2026-10-26 9.8 Critical
Pillow is a Python imaging library. From 2.0.0 until 13.0.0, Pillow has a heap buffer overflow and stale-heap disclosure in _tiffWriteProc when saving compressed TIFF data through libtiff to a target without a usable fileno(), such as BytesIO. The callback sizes its allocation from the prior buffer size instead of the current write position, allowing an attacker-controlled out-of-line TIFF tag or retained ICC profile to be copied beyond the allocation after libtiff seeks forward. This overflow can crash the process and may allow code execution. Independently, unwritten alignment gaps in compressed TIFF output larger than 64 KiB can disclose stale heap bytes without a crafted tag. File paths and targets with real file descriptors are unaffected. This issue is fixed in version 13.0.0.
CVE-2026-70112 1 Microsoft 20 Windows 10 1809, Windows 10 21h2, Windows 10 21h2 and 17 more 2026-10-26 7.8 High
Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to execute code locally.
CVE-2026-70010 1 Microsoft 23 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 20 more 2026-10-26 7.8 High
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.
CVE-2025-55640 1 Gpac 1 Mp4box 2026-10-26 5.5 Medium
A heap buffer overflow in the stbl_AddSize function (isomedia/stbl_write.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
CVE-2026-69970 1 Microsoft 23 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 20 more 2026-10-26 7 High
Heap-based buffer overflow in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69985 1 Microsoft 20 Windows 10 1809, Windows 10 21h2, Windows 10 21h2 and 17 more 2026-10-26 8.8 High
Heap-based buffer overflow in Windows Libarchive allows an unauthorized attacker to execute code over a network.
CVE-2026-116262 1 Libimobiledevice 1 Libimobiledevice 2026-10-26 5.4 Medium
A vulnerability was detected in libimobiledevice up to 1.4.0. The affected element is the function webinspector_receive_with_timeout of the file src/webinspector.c of the component Web Inspector. The manipulation results in heap-based buffer overflow. It is possible to launch the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVE-2026-99098 1 Linux 2 Linux, Linux Kernel 2026-10-26 4.4 Medium
In the Linux kernel, the following vulnerability has been resolved: dm-integrity: fix buffer overflow in inline mode with large tag size In inline mode, dm_integrity_check and dm_integrity_inline_recheck compute the checksum of each block into an on-stack buffer of HASH_MAX_DIGESTSIZE bytes. integrity_sector_checksum pads its result with zeroes up to the tag size, so if the tag size is larger than HASH_MAX_DIGESTSIZE, the padding runs past the end of the buffer. With CONFIG_STACKPROTECTOR the kernel panics in dm_integrity_check on the first read. Enlarge both buffers to hold MAX_TAG_SIZE bytes, as commit b93b6643e9b5 ("dm integrity: fix a crash with unusually large tag size") did for integrity_metadata. Note that this is not a security bug because the buffer overflow can only be triggered by root.
CVE-2026-69633 1 Microsoft 23 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 20 more 2026-10-26 7.8 High
Heap-based buffer overflow in Windows Update allows an authorized attacker to elevate privileges locally.
CVE-2026-69634 1 Microsoft 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more 2026-10-26 9.8 Critical
Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to execute code over a network.
CVE-2026-69635 1 Microsoft 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more 2026-10-26 6.6 Medium
Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges with a physical attack.
CVE-2026-69639 1 Microsoft 20 Windows 10 1809, Windows 10 21h2, Windows 10 21h2 and 17 more 2026-10-26 9.8 Critical
Heap-based buffer overflow in Windows Libarchive allows an unauthorized attacker to execute code over a network.
CVE-2026-96868 1 Microsoft 8 Windows 11 24h2, Windows 11 24h2, Windows 11 25h2 and 5 more 2026-10-26 7 High
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-103568 1 Microsoft 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more 2026-10-26 7.8 High
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Credential Providers allows an authorized attacker to elevate privileges locally.