VDB

CVE-2023-6936

CVE-2023-6936 PUBLISHED CVSS 5.300000190734863 MEDIUM

In wolfSSL prior to 5.6.6, if callback functions are enabled (via the WOLFSSL_CALLBACKS flag), then a malicious TLS client or network attacker can trigger a buffer over-read on the heap of 5 bytes (WOLFSSL_CALLBACKS is only intended for debugging).

EPSS 0.27% · 50.9th percentile

Risk Scores

CVSS v3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score
0.27%
50.9th percentile

Affected Products

VendorProductVersions
wolfsslwolfssl0, 0, 0
wolfsslwolfssl0, 0
wolfSSLwolfSSL0, 0

Timeline

  • Jan 20, 1970 Fix PR Merged
  • Feb 20, 2024 CVE Published
  • Feb 20, 2024 PoC Published
  • Feb 20, 2024 PoC Published
  • Feb 21, 2024 EPSS Score
  • Feb 21, 2024 PoC Published
  • Mar 9, 2024 PoC Published
  • Mar 19, 2024 EPSS Score
  • Apr 15, 2024 EPSS Score
  • May 11, 2024 EPSS Score
  • Jun 7, 2024 EPSS Score
  • Jul 4, 2024 EPSS Score
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