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libbson

The bson_string_append function in MongoDB C Driver may be vulnerable to a buffer overflow where the function might attempt to allocate too small of buffer and may lead to memory corruption of neighbouring heap memory. This issue affects libbson versions prior to 1.27.1

CVE-2024-6383 identifies a heap-based buffer overflow vulnerability in the bson_string_append function within the libbson library, part of the MongoDB C Driver. The vulnerability stems from improper buffer size allocation during string append operations, where the function may allocate a buffer smaller than required. This misallocation can lead to overwriting adjacent heap memory, resulting in memory corruption. Such corruption can cause application instability, crashes, or potentially be leveraged for arbitrary code execution if exploited skillfully. The flaw affects all libbson versions prior to 1.27.1, with no authentication or user interaction needed for exploitation, and can be triggered remotely since the library is often used in networked database applications. Although no exploits have been observed in the wild yet, the vulnerability's nature and ease of remote exploitation make it a significant risk. The CVSS v3.1 score is 5.3 (medium), reflecting the lack of confidentiality impact but acknowledging integrity compromise and ease of exploitation. This vulnerability is classified under CWE-122 (Heap-based Buffer Overflow), a common and dangerous class of memory safety issues. MongoDB Inc has reserved and published the CVE, but no official patch links were provided at the time of reporting, indicating the need for vigilance and prompt updates once patches are available.

Detailed information about CVE-2024-6383: CWE-122: Heap-based Buffer Overflow in MongoDB Inc libbson affecting MongoDB Inc libbson. Get real-time updates, techn

CVE-2024-6383: CWE-122: Heap-based Buffer Overflow in MongoDB Inc libbson - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2024-6383: CWE-122: Heap-based Buffer Overflow in MongoDB Inc libbson

The bson_strfreev function in the MongoDB C driver library may be susceptible to an integer overflow where the function will try to free memory at a negative offset. This may result in memory corruption. This issue affected libbson versions prior to 1.26.2

CVE-2024-6381 is a vulnerability identified in the MongoDB C driver library libbson, specifically within the bson_strfreev function. This function is responsible for freeing an array of strings, and the vulnerability arises due to an integer overflow condition. When the function processes input, an integer overflow can occur, causing it to calculate a negative offset for memory freeing operations. This leads to a buffer overflow scenario where memory outside the intended bounds is freed, resulting in memory corruption. Such corruption can cause application crashes, undefined behavior, or potentially be exploited to execute arbitrary code, although no public exploits are known at this time. The vulnerability affects all libbson versions prior to 1.26.2, which was released to address this issue. The CVSS v3.1 score is 4.0 (medium), reflecting that exploitation requires local access (AV:L), no privileges (PR:N), no user interaction (UI:N), and impacts integrity but not confidentiality or availability. The scope is unchanged, meaning the vulnerability affects only the vulnerable component without extending to other system components. This vulnerability is classified under CWE-680 (Integer Overflow to Buffer Overflow), a common software weakness where improper handling of integer arithmetic leads to memory safety issues. Since libbson is widely used as a BSON manipulation library in MongoDB C drivers and related applications, any software relying on these libraries is potentially at risk if running vulnerable versions. The issue is particularly relevant for applications that handle BSON data locally and use the vulnerable function to free string arrays. No patches or exploit code are currently publicly available, but the vendor has released version 1.26.2 to fix the problem. Organizations should review their use of libbson and update accordingly to prevent potential exploitation.

Detailed information about CVE-2024-6381: CWE-680: Integer Overflow to Buffer Overflow in MongoDB Inc libbson affecting MongoDB Inc libbson. Get real-time updat

CVE-2024-6381: CWE-680: Integer Overflow to Buffer Overflow in MongoDB Inc libbson - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2024-6381: CWE-680: Integer Overflow to Buffer Overflow in MongoDB Inc libbson


CVE-2024-6383: CWE-122: Heap-based Buffer Overflow in MongoDB Inc libbsonCVE-2024-6383 0 The bson_string_append function in MongoDB C Driver may be vulnerable to a buffer overflow where the function might attempt to allocate too small of buffer and may lead to memory corruption of neighbouring heap memory. This issue affects libbson versions prior to 1.27.1 MediumVulnerabilityGermanyFranceUnited Kingdom+7#cve #cve-2024-6383 #cwe-122 Join the discussion	CVE Database V5	07/03/2024, 21:33:47 UTC Added: 11/03/2025, 19:53:59 UTC
CVE-2024-6381: CWE-680: Integer Overflow to Buffer Overflow in MongoDB Inc libbsonCVE-2024-6381 0 The bson_strfreev function in the MongoDB C driver library may be susceptible to an integer overflow where the function will try to free memory at a negative offset. This may result in memory corruption. This issue affected libbson versions prior to 1.26.2 MediumVulnerabilityGermanyFranceUnited Kingdom+2#cve #cve-2024-6381 #cwe-680 Join the discussion	CVE Database V5	07/02/2024, 17:14:48 UTC Added: 11/03/2025, 19:53:57 UTC

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