CVE-2024-2398

Summary

When an application tells libcurl it wants to allow HTTP/2 server push, and the amount of received headers for the push surpasses the maximum allowed limit (1000), libcurl aborts the server push. When aborting, libcurl inadvertently does not free all the previously allocated headers and instead leaks the memory. Further, this error condition fails silently and is therefore not easily detected by an application.

Affected Software

VendorProductVersion RangeStatus
curlcurl8.6.0 <= 8.6.0affected
curlcurl8.5.0 <= 8.5.0affected
curlcurl8.4.0 <= 8.4.0affected
curlcurl8.3.0 <= 8.3.0affected
curlcurl8.2.1 <= 8.2.1affected
curlcurl8.2.0 <= 8.2.0affected
curlcurl8.1.2 <= 8.1.2affected
curlcurl8.1.1 <= 8.1.1affected
curlcurl8.1.0 <= 8.1.0affected
curlcurl8.0.1 <= 8.0.1affected
curlcurl8.0.0 <= 8.0.0affected
curlcurl7.88.1 <= 7.88.1affected
curlcurl7.88.0 <= 7.88.0affected
curlcurl7.87.0 <= 7.87.0affected
curlcurl7.86.0 <= 7.86.0affected
curlcurl7.85.0 <= 7.85.0affected
curlcurl7.84.0 <= 7.84.0affected
curlcurl7.83.1 <= 7.83.1affected
curlcurl7.83.0 <= 7.83.0affected
curlcurl7.82.0 <= 7.82.0affected
curlcurl7.81.0 <= 7.81.0affected
curlcurl7.80.0 <= 7.80.0affected
curlcurl7.79.1 <= 7.79.1affected
curlcurl7.79.0 <= 7.79.0affected
curlcurl7.78.0 <= 7.78.0affected
curlcurl7.77.0 <= 7.77.0affected
curlcurl7.76.1 <= 7.76.1affected
curlcurl7.76.0 <= 7.76.0affected
curlcurl7.75.0 <= 7.75.0affected
curlcurl7.74.0 <= 7.74.0affected
curlcurl7.73.0 <= 7.73.0affected
curlcurl7.72.0 <= 7.72.0affected
curlcurl7.71.1 <= 7.71.1affected
curlcurl7.71.0 <= 7.71.0affected
curlcurl7.70.0 <= 7.70.0affected
curlcurl7.69.1 <= 7.69.1affected
curlcurl7.69.0 <= 7.69.0affected
curlcurl7.68.0 <= 7.68.0affected
curlcurl7.67.0 <= 7.67.0affected
curlcurl7.66.0 <= 7.66.0affected
curlcurl7.65.3 <= 7.65.3affected
curlcurl7.65.2 <= 7.65.2affected
curlcurl7.65.1 <= 7.65.1affected
curlcurl7.65.0 <= 7.65.0affected
curlcurl7.64.1 <= 7.64.1affected
curlcurl7.64.0 <= 7.64.0affected
curlcurl7.63.0 <= 7.63.0affected
curlcurl7.62.0 <= 7.62.0affected
curlcurl7.61.1 <= 7.61.1affected
curlcurl7.61.0 <= 7.61.0affected
curlcurl7.60.0 <= 7.60.0affected
curlcurl7.59.0 <= 7.59.0affected
curlcurl7.58.0 <= 7.58.0affected
curlcurl7.57.0 <= 7.57.0affected
curlcurl7.56.1 <= 7.56.1affected
curlcurl7.56.0 <= 7.56.0affected
curlcurl7.55.1 <= 7.55.1affected
curlcurl7.55.0 <= 7.55.0affected
curlcurl7.54.1 <= 7.54.1affected
curlcurl7.54.0 <= 7.54.0affected
curlcurl7.53.1 <= 7.53.1affected
curlcurl7.53.0 <= 7.53.0affected
curlcurl7.52.1 <= 7.52.1affected
curlcurl7.52.0 <= 7.52.0affected
curlcurl7.51.0 <= 7.51.0affected
curlcurl7.50.3 <= 7.50.3affected
curlcurl7.50.2 <= 7.50.2affected
curlcurl7.50.1 <= 7.50.1affected
curlcurl7.50.0 <= 7.50.0affected
curlcurl7.49.1 <= 7.49.1affected
curlcurl7.49.0 <= 7.49.0affected
curlcurl7.48.0 <= 7.48.0affected
curlcurl7.47.1 <= 7.47.1affected
curlcurl7.47.0 <= 7.47.0affected
curlcurl7.46.0 <= 7.46.0affected
curlcurl7.45.0 <= 7.45.0affected
curlcurl7.44.0 <= 7.44.0affected

Weaknesses

  • CWE-772 Missing Release of Resource after Effective Lifetime

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

CVE Program Container

Additional References

References