GNU Multiple Precision Arithmetic Library up to 6.2.1 on 32-bit mpz/inp_raw.c integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in GNU Multiple Precision Arithmetic Library up to 6.2.1 on 32-bit. This affects an unknown function of the file mpz/inp_raw.c. Such manipulation leads to integer overflow. This vulnerability is documented as CVE-2021-43618. There is not any exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in GNU Multiple Precision Arithmetic Library up to 6.2.1 on 32-bit (Software Library) and classified as problematic. Affected by this issue is an unknown functionality of the file mpz/inp_raw.c. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is availability.

The weakness was released 11/15/2021. The advisory is shared for download at bugs.debian.org. This vulnerability is handled as CVE-2021-43618 since 11/15/2021. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 239810 (TencentOS Server 3: gmp (TSSA-2024:0214)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at gmplib.org.

The vulnerability is also documented in the databases at Tenable (239810) and CERT Bund (WID-SEC-2024-1086). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • SUSE Linux
  • IBM QRadar SIEM

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 239810
Nessus Name: TencentOS Server 3: gmp (TSSA-2024:0214)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: gmplib.org

Timelineinfo

11/15/2021 🔍
11/15/2021 +0 days 🔍
11/15/2021 +0 days 🔍
10/17/2025 +1432 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: bugs.debian.org
Status: Confirmed

CVE: CVE-2021-43618 (🔍)
GCVE (CVE): GCVE-0-2021-43618
GCVE (VulDB): GCVE-100-186656
CERT Bund: WID-SEC-2024-1086 - IBM QRadar SIEM: Mehrere Schwachstellen

Entryinfo

Created: 11/15/2021 08:32
Updated: 10/17/2025 05:05
Changes: 11/15/2021 08:32 (41), 11/16/2021 18:03 (1), 06/20/2025 04:27 (16), 10/17/2025 05:05 (7)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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