CVE-2026-106436

The BSON encoder in the MongoDB PHP Driver does not check some return values after a document exceeds libbson's size limit. This can leave the encoder in an invalid state. An unauthenticated actor who can cause an affected application to encode an unusually large data structure can terminate the...

PT-2026-108168

Name of the Vulnerable Software and Affected Versions MongoDB PHP Driver affected versions not specified Description The BSON encoder fails to verify certain return values when a document exceeds the size limit of libbson, which can leave the encoder in an invalid state. An unauthenticated actor...

Fedora 43 : mongo-c-driver (2026-b4c749cdd2)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-b4c749cdd2 advisory. libbson 1.30.11 Fixes - Fix length check in bsonnewfrombuffer. ---- libmongoc 1.30.11 Fixes - Fix allocation in Windows Secure Channel. - Fix error...

Fedora 44 : mongo-c-driver (2026-4286ff2dfd)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-4286ff2dfd advisory. libbson 1.30.11 Fixes - Fix length check in bsonnewfrombuffer. ---- libmongoc 1.30.11 Fixes - Fix allocation in Windows Secure Channel. - Fix error...

Linux Distros Unpatched Vulnerability : CVE-2026-93395

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A missing lower-bound validation in the bsonnewfrombuffer function of libbson allows an integer underflow when processing BSON data with a zero-length prefix. T...

DEBIAN-CVE-2026-93395

A missing lower-bound validation in the bsonnewfrombuffer function of libbson allows an integer underflow when processing BSON data with a zero-length prefix. The function reads a 32-bit document length from the input buffer but does not verify that the value is at least 5 the minimum valid BSON...

CVE-2026-93395

A missing lower-bound validation in the bsonnewfrombuffer function of libbson allows an integer underflow when processing BSON data with a zero-length prefix. The function reads a 32-bit document length from the input buffer but does not verify that the value is at least 5 the minimum valid BSON...

CVE-2026-93395

A missing lower-bound validation in the bsonnewfrombuffer function of libbson allows an integer underflow when processing BSON data with a zero-length prefix. The function reads a 32-bit document length from the input buffer but does not verify that the value is at least 5 the minimum valid BSON...

UBUNTU-CVE-2026-93395

A missing lower-bound validation in the bsonnewfrombuffer function of libbson allows an integer underflow when processing BSON data with a zero-length prefix. The function reads a 32-bit document length from the input buffer but does not verify that the value is at least 5 the minimum valid BSON...

CVE-2026-93395

CVE-2026-93395 is an integer underflow in the bson_new_from_buffer() function of libbson (the MongoDB C driver's BSON library). The function reads a 32-bit document length from input but fails to verify it is at least 5 (the minimum valid BSON document size). When the length field is zero , the e...

EUVD-2026-82471

A missing lower-bound validation in the bsonnewfrombuffer function of libbson allows an integer underflow when processing BSON data with a zero-length prefix. The function reads a 32-bit document length from the input buffer but does not verify that the value is at least 5 the minimum valid BSON...

CVE-2026-93395 Integer Underflow → Heap Out-of-Bounds Read in `bson_new_from_buffer()

A missing lower-bound validation in the bsonnewfrombuffer function of libbson allows an integer underflow when processing BSON data with a zero-length prefix. The function reads a 32-bit document length from the input buffer but does not verify that the value is at least 5 the minimum valid BSON...

CVE-2026-93395

A missing lower-bound validation in the bsonnewfrombuffer function of libbson allows an integer underflow when processing BSON data with a zero-length prefix. The function reads a 32-bit document length from the input buffer but does not verify that the value is at least 5 the minimum valid BSON...

CVE-2026-93395 Integer Underflow → Heap Out-of-Bounds Read in `bson_new_from_buffer()

A missing lower-bound validation in the bsonnewfrombuffer function of libbson allows an integer underflow when processing BSON data with a zero-length prefix. The function reads a 32-bit document length from the input buffer but does not verify that the value is at least 5 the minimum valid BSON...

Integer Underflow → Heap Out-of-Bounds Read in `bson_new_from_buffer()

A missing lower-bound validation in the bsonnewfrombuffer function of libbson allows an integer underflow when processing BSON data with a zero-length prefix. The function reads a 32-bit document length from the input buffer but does not verify that the value is at least 5 the minimum valid BSON...

PT-2026-95112

Name of the Vulnerable Software and Affected Versions libbson affected versions not specified Description An integer underflow occurs in the bson new from buffer function when processing BSON data with a zero-length prefix. The function fails to verify that the 32-bit document length read from th...

CVE-2026-93395: Integer Underflow (Wrap or Wraparound)

A missing lower-bound validation in the bsonnewfrombuffer function of libbson allows an integer underflow when processing BSON data with a zero-length prefix. The function reads a 32-bit document length from the input buffer but does not verify that the value is at least 5 the minimum valid BSON...

Astra Linux – Vulnerability in mongo-c-driver

The bsonstrfreev function in the MongoDB C driver library may be susceptible to an integer overflow, where the function attempts to free memory at a negative offset. This could lead to memory corruption. This issue affected versions of libbson prior to 1.26.2...

ROS-20260505-73-0076

A vulnerability in the bsonstringappend function of the libbson library of the MongoDB database management system driver is related to a buffer overflow in dynamic memory. Exploitation of the vulnerability could allow a remote attacker to cause a denial of service or memory corruption...

CVE-2025-40906

BSON::XS versions 0.8.4 and earlier for Perl includes a bundled libbson 1.1.7, which has several vulnerabilities. Those include CVE-2017-14227, CVE-2018-16790, CVE-2023-0437, CVE-2024-6381, CVE-2024-6383, and CVE-2025-0755. BSON-XS was the official Perl XS implementation of MongoDB's BSON...