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Vulnerability details: VCID-w9ss-fm32-ekhs
Vulnerability ID VCID-w9ss-fm32-ekhs
Aliases CVE-2025-52497
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 4.3
Risk 2.1
Affected and Fixed Packages Package Details
Weaknesses (1)
System Score Found at
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00061 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00061 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00061 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00061 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00061 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00061 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00061 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00061 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00061 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00061 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00061 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00061 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00061 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00061 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00064 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00064 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00064 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00079 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00079 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00079 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00079 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
epss 0.00079 https://api.first.org/data/v1/epss?cve=CVE-2025-52497
cvssv3.1 4.8 https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-2.md
ssvc Track https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-2.md
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L Found at https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-2.md
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none


Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-07-08T13:18:40Z/ Found at https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-2.md
Exploit Prediction Scoring System (EPSS)
Percentile 0.17557
EPSS Score 0.00056
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:45:45.300561+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/edge/main.json 37.0.0