Vulnerability in Openssl

CVE-2010-3864

Multiple race conditions in ssl/t1_lib.c in OpenSSL 0.9.8f through 0.9.8o, 1.0.0, and 1.0.0a, when multi-threading and internal caching are enabled on a TLS server, might allow remote attackers to execute arbitrary code via client data that triggers a heap-based buffer overflow, related to (1) the TLS server name extension and (2) elliptic curve cryptography.

Vulnerability class: Race Condition

EPSS: 0.221 (97.4th percentile) — read the EPSS interpretation.

Affected products

  • Openssl — versions 0.9.8k, 0.9.8m, 0.9.8g
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2010-3864?
CVE-2010-3864 is a vulnerability in Openssl, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). Published 2010-11-17.
Is CVE-2010-3864 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.