CVE-2025-43915

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
mitreCNA
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CISA-ADPADP
6.5 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 19%
VendorProductVersion
linkerdbuoyant
2.13.0 ≤
𝑥
≤ 2.13.7
linkerdbuoyant
2.14.0 ≤
𝑥
≤ 2.14.10
linkerdbuoyant
2.15.0 ≤
𝑥
≤ 2.15.7
linkerdbuoyant
2.16.0 ≤
𝑥
< 2.16.5
linkerdbuoyant
2.17.0 ≤
𝑥
< 2.17.2
linkerdlinkerd
𝑥
< 25.2.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://docs.buoyant.io/security/advisories/2025-01/
https://www.buoyant.io/resources