Memory Allocation with Excessive Size Value Affecting opentelemetry-cpp package, versions [1.6.1,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CONAN-OPENTELEMETRYCPP-17341943
- published16 Jun 2026
- disclosed12 Jun 2026
- creditmarcalff
Introduced: 12 Jun 2026
CVE-2026-44967 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value via the HttpOperation::WriteMemoryCallback. An attacker can cause memory exhaustion by sending a large or unbounded HTTP response when the configured collector endpoint is attacker-controlled or if a network attacker can perform a man-in-the-middle attack on the exporter connection.