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GHSA-38h3-2333-qx47
No affected components available
Summary
[!IMPORTANT]
There is no plan to fix this issue asOpenTelemetry.Exporter.Jaegerwas deprecated in 2023. It is for informational purposes only.
OpenTelemetry.Exporter.Jaeger may allow sustained memory pressure when the internal pooled-list sizing grows based on a large observed span/tag set and that enlarged size is reused for subsequent allocations. Under high-cardinality or attacker-influenced telemetry input, this can increase memory consumption and potentially cause denial of service.
Details
The Jaeger exporter conversion path can append tag/event data into pooled list structures. In affected versions, pooled allocation sizing may be influenced by large observed payloads and reused globally across later allocations, resulting in persistent oversized rentals and elevated memory pressure. In environments where telemetry attributes/events can be influenced by untrusted input and limits are increased from defaults, this may lead to process instability or denial of service.
Impact
Availability impact only. Confidentiality and integrity impacts are not expected.
Workarounds / Mitigations
- Prefer maintained exporters (for example OpenTelemetry Protocol format (OTLP)) instead of the Jaeger exporter.
The vulnerability can be exploited over the network without needing physical access. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the availability of the system.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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