CVE-2026-43868
published 2026-05-05CVE-2026-43868: Memory Allocation with Excessive Size Value vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade…
PriorityP430medium5.3CVSS 3.1
AVNACLPRNUINSUCNINAL
EPSS
0.71%
49.6th percentile
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.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apache | thrift | < 0.23.0 | 0.23.0 |
| apache | thrift | 0 – 0.22.0 | — |
| rhoai | odh-modelmesh-rhel8 | — | — |
| rhoai | odh-modelmesh-rhel9 | — | — |
| rhoai | odh-spark-operator-rhel9 | — | — |
| rhoai | odh-th06-cpu-torch210-py312-rhel9 | — | — |
| rhoai | odh-th06-cpu-torch291-py312-rhel9 | — | — |
| rhoai | odh-th06-cuda130-torch210-py312-rhel9 | — | — |
| rhoai | odh-th06-cuda130-torch291-py312-rhel9 | — | — |
| rhoai | odh-th06-rocm64-torch291-py312-rhel9 | — | — |
CVSS provenance
nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
vendor_redhat5.3MEDIUM
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GHSA
Apache Thrift has a Memory Allocation with Excessive Size Value Vulnerability
ghsa·2026-05-05
CVE-2026-43868 [MEDIUM] CWE-789 Apache Thrift has a Memory Allocation with Excessive Size Value Vulnerability
Apache Thrift has a Memory Allocation with Excessive Size Value Vulnerability
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](https://github.com/apache/thrift/releases/tag/v0.23.0), which fixes the issue.
GHSA
GHSA-2f9f-gq7v-9h6m: Memory Allocation with Excessive Size Value vulnerability in Apache Thrift
ghsa_unreviewed·2026-05-05
CVE-2026-43868 [MEDIUM] CWE-789 GHSA-2f9f-gq7v-9h6m: Memory Allocation with Excessive Size Value vulnerability in 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.
Red Hat
Apache Thrift: Apache Thrift: Denial of Service via excessive memory allocation
vendor_redhat·2026-05-05·CVSS 5.3
CVE-2026-43868 [MEDIUM] CWE-1285 Apache Thrift: Apache Thrift: Denial of Service via excessive memory allocation
Apache Thrift: Apache Thrift: Denial of Service via excessive memory allocation
A flaw was found in Apache Thrift. This vulnerability involves a Memory Allocation with Excessive Size Value, which could allow an attacker to trigger resource exhaustion. By providing an overly large size value during memory allocation, an attacker can cause the affected system to become unresponsive, leading to a Denial of Service (DoS).
Mitigation: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Package: libthrift (Red Hat build of Apache Camel 4 for Quarkus 3) - Affected
Package: libthrift (Red Hat Data Grid 8) - Affecte
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-43868 python-avro: Apache Thrift: Denial of Service via excessive memory allocation [fedora-all]
bugzilla·2026-06-02·CVSS 5.3
CVE-2026-43868 [MEDIUM] CVE-2026-43868 python-avro: Apache Thrift: Denial of Service via excessive memory allocation [fedora-all]
CVE-2026-43868 python-avro: Apache Thrift: Denial of Service via excessive memory allocation [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Bugzilla
CVE-2026-43868 Apache Thrift: Apache Thrift: Denial of Service via excessive memory allocation
bugzilla·2026-05-05·CVSS 5.3
CVE-2026-43868 [MEDIUM] CVE-2026-43868 Apache Thrift: Apache Thrift: Denial of Service via excessive memory allocation
CVE-2026-43868 Apache Thrift: Apache Thrift: Denial of Service via excessive memory allocation
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.
Rapid7
Patch Tuesday - May 2026
blogs_rapid7·2026-05-13·CVSS 10.0
CVE-2026-41089 [CRITICAL] Patch Tuesday - May 2026
Microsoft is publishing 137 vulnerabilities on May 2026 Patch Tuesday . Microsoft is not aware of exploitation in the wild or public disclosure for any of these vulnerabilities. So far this month, Microsoft has provided patches to address 133 browser vulnerabilities, which are not included in the Patch Tuesday count above.
## Windows Netlogon: critical RCE
Anyone responsible for securing a domain controller should prioritize remediation of CVE-2026-41089 , which is a critical stack-based buffer overflow in Windows Netlogon with a CVSS v3 base score of 9.8. Exploitation leads to execution in the context of the Netlogon service, so that’s SYSTEM privileges on the domain controller. For most pentesters, that’s the point at which the customer report more or less writes itself. No privileges
https://lists.apache.org/thread/zj76dtwnbbs1m7z3focf4wd51pqpsmn9https://access.redhat.com/errata/RHSA-2026:26586https://access.redhat.com/errata/RHSA-2026:42644https://access.redhat.com/security/cve/CVE-2026-43868https://bugzilla.redhat.com/show_bug.cgi?id=2466670https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43868.json
2026-05-05
Published