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By the Year

In 2025 there have been 1 vulnerability in Linkerd. Linkerd did not have any published security vulnerabilities last year. That is, 1 more vulnerability have already been reported in 2025 as compared to last year.

Year Vulnerabilities Average Score
2025 1 0.00
2024 0 0.00
2023 1 7.50
2022 0 0.00
2021 0 0.00
2020 0 0.00
2019 0 0.00
2018 0 0.00

It may take a day or so for new Linkerd vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.

Recent Linkerd Security Vulnerabilities

In Linkerd edge releases before edge-25.2.1, and Buoyant Enterprise for Linkerd releases 2.13.02.13.7, 2.14.02.14.10, 2.15.02.15.7, 2.16.02.16.4, and 2.17.02.17.1, resource exhaustion

CVE-2025-43915 - May 05, 2025

In Linkerd edge releases before edge-25.2.1, and Buoyant Enterprise for Linkerd releases 2.13.02.13.7, 2.14.02.14.10, 2.15.02.15.7, 2.16.02.16.4, and 2.17.02.17.1, resource exhaustion can occur for Linkerd proxy metrics.

The HTTP/2 protocol

CVE-2023-44487 7.5 - High - October 10, 2023

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

Resource Exhaustion

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