Is CVE-2026-43868 in the CISA KEV catalog?

No. CVE-2026-43868 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-43868?

CVE-2026-43868 has a CVSS v3 base score of 5.3 (Moderate).

What is the EPSS score for CVE-2026-43868?

CVE-2026-43868 has an EPSS score of 0.66% (47th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-43868?

Upgrade thrift on debian unstable to 0.23.0-3 or later.

CVE & CISA-KEV Catalog

CVE-2026-43868

MEDIUM

5.3

CVSS v3

NVD

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.

CWE-789 CWE-1285

How to fix

Remediation Available

thriftDebian

Fixed in:0.23.0-3CVE-2026-43868

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploit Intelligence

0.66%probability of exploitation in 30 days

47thpercentile

Moderate risk: more likely to be exploited than 47% of all known CVEs.

References

Vendor Advisory1

lists.apache.org

Other references4

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-30.