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CVE-2026-92158

F´: FpySequencer Integer Overflow in Stack Offset/Size Validation Leading to Out-of-Bounds Write

F´ (F Prime) is a framework that enables development and deployment of spaceflight and other embedded software applications. Prior to 4.2.0, Svc::FpySequencer STORE directive stack write validation the bounds check adds attacker-controlled offset and size before memcpy, allowing integer wraparound to make an out-of-range destination appear valid. When a sequence-controlled STORE directive supplies a stack offset and size whose U32 sum wraps, memcpy can write outside the sequencer stack, causing memory corruption, denial of service, and potentially code execution. This issue is fixed in version 4.2.0.

CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
Vendors
Nasa
Products
Fprime
CVE-2026-115505

libsmb2 before 6.3 Integer Overflow in DCE/RPC NDR Decoder via NetrShareEnum

libsmb2 before 6.3 contains integer overflow vulnerabilities in the DCE/RPC NDR decoder in lib/dcerpc.c that allow heap out-of-bounds reads and writes. A malicious SMB server or machine-in-the-middle on unsigned connections can send crafted NetrShareEnum replies with wrapping actual_count or max_count values when clients call smb2_share_enum_async(), corrupting heap memory.

CVSS 4.0 · 7.2 High EPSS < 1% KEV · Not listed
Vendors
Sahlberg
Products
Libsmb2
CVE-2026-114645

Heap overflow via 32-bit length wrap of the URI username in Windows Kerberos auth message wrapping

A 32-bit integer wraparound in the MongoDB C Driver's Windows-only Kerberos/SSPI authentication code can cause an undersized heap buffer to be allocated when an excessively long credential value is supplied in the client's connection configuration. A party able to control that client-side configuration, in conjunction with the affected authentication mechanism, can cause the driver to write outside the bounds of the allocated buffer. This may result in corruption of client process memory and denial of service of the client application. The issue affects only client builds compiled with the Windows-native authentication backend.

CVSS 4.0 · 5.7 Medium EPSS < 1% KEV · Not listed
Vendors
Mongodb
Products
C Driver
CVE-2026-103410

Session Smart Router: Integer overflow causes denial of service during TLS certificate inspection

An Integer Overflow vulnerability in the DPI certificate scanner in Juniper Networks Session Smart Router allows an unauthenticated remote attacker to cause a denial of service via a specially crafted TLS server certificate.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Juniper
Products
Session Smart Router
CVE-2026-100208

Microsoft Office Outlook Remote Code Execution Vulnerability

Integer overflow or wraparound in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
365 Apps Office 2021 Office 2024
CVE-2026-88118

Windows Background Intelligent Transfer Service (BITS) Elevation of Privilege Vulnerability

Integer overflow or wraparound in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 25 more
CVE-2026-102834

JavaCV: Integer Overflow in IPCameraFrameGrabber Causes Infinite-Loop DoS

JavaCV provides Java interfaces to OpenCV, FFmpeg, and other multimedia libraries. Prior to 1.5.14, IPCameraFrameGrabber doubles a 32-bit buffer capacity without checking for overflow or bounding the parsed Content-Length. An application consumes an MJPEG response from a malicious camera endpoint or a tampered plaintext stream. The source can return an oversized Content-Length header in an MJPEG stream. Successful exploitation can trap the frame-grabbing thread in a permanent CPU-spinning loop and deny service. This issue is fixed in version 1.5.14.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Bytedeco
Products
Javacv
CVE-2026-70149

Windows Client Side Caching driver (csc.sys) Elevation of Privilege Vulnerability

Exposure of sensitive information to an unauthorized actor in Windows Client Side Caching driver (csc.sys) allows an authorized attacker to disclose information locally.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 25 more
CVE-2026-86389

Integer Overflow Vulnerability Enabling Remote Code Execution in Dell PowerProtect Data Domain

Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain an Integer Overflow or Wraparound vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Code execution.

CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
Vendors
Dell
Products
Powerprotect Data Domain
CVE-2026-86380

Integer Overflow Allows Protection Mechanism Bypass in Dell PowerProtect Data Domain

Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain an Integer Overflow or Wraparound vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Protection mechanism bypass.

CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
Vendors
Dell
Products
Powerprotect Data Domain
CVE-2026-96641

Pillow: Reachable undefined behavior in native integer operations, potentially leading to denial of service or logic integrity compromise

Pillow is a Python imaging library. Prior to 13.0.0, PILfont text-width accumulation in src/_imaging.c checks positive glyph advances against INT_MAX but does not check negative advances against INT_MIN. Repeating a signed 16-bit advance of -32768 can therefore execute a signed C integer overflow in xsize += dx, producing a large positive width from a negative mathematical result. Applications that use getlength(), getsize(), or derived layout, quota, serialization, or allocation calculations can experience logic-integrity errors or resource consumption, while the high-level mask path commonly retains a decompression-bomb check. This issue is fixed in version 13.0.0.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Python Python-pillow
Products
Pillow Pillow
CVE-2026-107324

Application denial of service via integer overflow in BSON value-length validation in MongoDB Go Driver

An integer overflow in BSON value-length handling in the MongoDB Go Driver can cause a runtime panic when an application validates or accesses a malformed BSON document. An unauthenticated actor who can supply BSON bytes to an affected application may terminate an unprotected application process, causing a denial of service. The driver's server-monitoring path contains panic recovery and is limited to server-selection failure.

CVSS 4.0 · 8.2 High EPSS < 1% KEV · Not listed
Vendors
Mongodb
Products
Go Driver
CVE-2026-110247

Integer overflow in libmime buffer growth could lead to heap corruption

Several buffer-growth sites in libmime performed size arithmetic in 32-bit types without overflow checks. On a sufficiently large message the growth guard could fail open, or the buffer could be reallocated smaller than required, and a subsequent memcpy would then write attacker-controlled data across adjacent heap allocations. This vulnerability was fixed in Thunderbird 158 and Thunderbird 153.6.

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
Vendors
Mozilla
Products
Thunderbird
CVE-2026-116591

compress zstd: Panic on two-block frames

compress provides various compression algorithms. Prior to 1.20.2, the zstd DecodeAll and streaming decoder paths can panic when a crafted two-block frame reaches huff0.ReadTable with an FSE normalized count of 32768 that readNCount stores in int16 as -32768. The wrapped count allows buildDtable to retain stale fse.Scratch decode-table state from the prior block, and nextFast then derives an out-of-range state and indexes beyond the table instead of returning a decode error. Both blocks are required to preserve and then reuse the stale state, allowing untrusted zstd input to crash an application. This issue is fixed in version 1.20.2.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Klauspost
Products
Compress