VDB

CVE-2025-52497

CVE-2025-52497 PUBLISHED CVSS 4.800000190734863 MEDIUM

Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in mbedtls_pem_read_buffer and two mbedtls_pk_parse functions, via untrusted PEM input.

EPSS 0.37% · 58.7th percentile

Risk Scores

CVSS v3.1
4.800000190734863
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
EPSS Score
0.37%
58.7th percentile

Affected Products

VendorProductVersions
Mbedmbedtls0
mbedmbedtls0
armmbed_tls0

Timeline

  • Jul 4, 2025 CVE Published
  • Jul 5, 2025 EPSS Score
  • Jul 15, 2025 EPSS Score
  • Jul 24, 2025 EPSS Score
  • Aug 3, 2025 EPSS Score
  • Aug 12, 2025 EPSS Score
  • Aug 22, 2025 EPSS Score
  • Sep 1, 2025 EPSS Score
  • Sep 10, 2025 EPSS Score
  • Sep 20, 2025 EPSS Score
  • Sep 29, 2025 EPSS Score
  • Oct 9, 2025 EPSS Score
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