CVE-2021-46877 is a high-severity vulnerability affecting FasterXML's Jackson Databind library, specifically versions 2.10.x through 2.12.x before 2.12.6 and 2.13.x before 2.13.1. This vulnerability allows attackers to cause a denial of service through excessive transient heap usage, reaching up to 2 GB per read in uncommon scenarios involving JsonNode JDK serialization. With a CVSS score of 7.5, this vulnerability poses significant risks to organizations utilizing the affected library.
Risk to organizations includes service outages due to memory exhaustion. As this vulnerability can be exploited remotely without requiring authentication or user interaction, it is critical for organizations to address it immediately. The urgency for defenders is high, given the potential for severe impact on application availability.
Organizations should prioritize patching immediately. The affected versions should be updated to 2.12.6 or 2.13.1 to mitigate this vulnerability. Failure to address this issue may result in significant operational disruptions.
Currently, there is no public exploit confirmed, and it has not been included in the Known Exploited Vulnerabilities (KEV) database. However, the nature of the vulnerability and its exploitation potential necessitate prompt remediation.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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