CVE Catalog

CVE-2026-23940

MediumCVSS 6.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.44%

37th percentile - higher than 37% of all known CVEs

Summary

Uncontrolled Resource Consumption vulnerability in hexpm/hexpm allows Excessive Allocation. Publishing an oversized package can cause Hex.pm to run out of memory while extracting the uploaded package tarball. This can terminate the affected application instance and result in a denial of service for package publishing and potentially other package-processing functionality. This issue affects hex.pm before 2026-03-10.

Risk Assessment

Risk of service disruption for package publishing and other processing functions, potentially leading to service unavailability.

Recommendation

Recommend updating hex.pm to a version after 2026-03-10 and implementing size limits for uploaded packages.

Related vulnerabilities

Original NVD description (English source)

Uncontrolled Resource Consumption vulnerability in hexpm hexpm/hexpm allows Excessive Allocation. Publishing an oversized package can cause Hex.pm to run out of memory while extracting the uploaded package tarball. This can terminate the affected application instance and result in a denial of service for package publishing and potentially other package-processing functionality. This issue affects hex.pm: before 2026-03-10.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS