CVE-2026-43868: CWE-789 Memory Allocation with Excessive Size Value in Apache Software Foundation Apache Thrift
Memory Allocation with Excessive Size Value vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.
AI Analysis
Technical Summary
This vulnerability in Apache Thrift (CVE-2026-43868) is classified as CWE-789 (Memory Allocation with Excessive Size Value). It affects all versions prior to 0.23.0 and can cause denial of service due to excessive memory allocation. The vulnerability does not impact confidentiality or integrity but affects availability. Red Hat has issued advisories confirming the issue and recommending upgrading to fixed versions. No known exploits are reported in the wild. The CVSS v3.1 base score is 5.3, reflecting a network attack vector with low complexity and no privileges or user interaction required.
Potential Impact
The vulnerability allows an attacker to cause a denial of service by triggering excessive memory allocation in Apache Thrift. This impacts the availability of affected systems but does not compromise confidentiality or integrity. There are no known active exploits in the wild at this time.
Mitigation Recommendations
A fix is available in Apache Thrift version 0.23.0. Users should upgrade to this version to remediate the vulnerability. Red Hat advisories confirm the availability of security updates addressing this issue. No additional mitigation steps are indicated beyond applying the official update.
CVE-2026-43868: CWE-789 Memory Allocation with Excessive Size Value in Apache Software Foundation Apache Thrift
Description
Memory Allocation with Excessive Size Value vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.
CVSS v3.1
Score 5.3medium
Affected software
pkg:maven/org.apache.thrift/thriftRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Apache Thrift (CVE-2026-43868) is classified as CWE-789 (Memory Allocation with Excessive Size Value). It affects all versions prior to 0.23.0 and can cause denial of service due to excessive memory allocation. The vulnerability does not impact confidentiality or integrity but affects availability. Red Hat has issued advisories confirming the issue and recommending upgrading to fixed versions. No known exploits are reported in the wild. The CVSS v3.1 base score is 5.3, reflecting a network attack vector with low complexity and no privileges or user interaction required.
Potential Impact
The vulnerability allows an attacker to cause a denial of service by triggering excessive memory allocation in Apache Thrift. This impacts the availability of affected systems but does not compromise confidentiality or integrity. There are no known active exploits in the wild at this time.
Mitigation Recommendations
A fix is available in Apache Thrift version 0.23.0. Users should upgrade to this version to remediate the vulnerability. Red Hat advisories confirm the availability of security updates addressing this issue. No additional mitigation steps are indicated beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-05-04T14:10:22.281Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/security/cve/CVE-2026-43868","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2026:26586","vendor":"Red Hat"}]
Threat ID: 69f9ac07cbff5d8610dd1b36
Added to database: 05/05/2026, 08:36:23 UTC
Last enriched: 07/23/2026, 22:05:16 UTC
Last updated: 08/02/2026, 19:17:58 UTC
Views: 142
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