CVE-2025-8262
Description
A flaw was found in yarnpkg/yarn. The explodeHostedGitFragment function in src/resolvers/exotics/hosted-git-resolver.js is susceptible to a resource exhaustion condition due to inefficient regular expression processing. This vulnerability allows a network attacker to provide a crafted Git fragment, leading to a denial of service by consuming excessive resources.
Statement
Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Understanding the Weakness (CWE)
Availability
Technical Impact: DoS: Resource Consumption (CPU)
Attackers can create crafted inputs that intentionally cause the regular expression to use excessive backtracking in a way that causes the CPU consumption to spike.
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