Memory Allocation with Excessive Size Value Affecting github.com/prometheus/prometheus/storage/remote package, versions <0.305.3>=1.0.0-rc.0 <3.5.3>=3.6.0-rc.0 <3.11.3
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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- published5 May 2026
- disclosed4 May 2026
- creditShadowByte1
Introduced: 4 May 2026
CVE-2026-42154 Â (opens in a new tab)How to fix?
Upgrade github.com/prometheus/prometheus/storage/remote to version 0.305.3, 3.5.3, 3.11.3 or higher.
Overview
Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value via the remote read endpoint when processing snappy-compressed request bodies. An attacker can cause excessive memory allocation and crash the process by sending specially crafted payloads.