CVE-2025-52497

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Source
https://cve.org/CVERecord?id=CVE-2025-52497
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-52497.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-52497
Downstream
Published
2025-07-04T15:15:22.787Z
Modified
2026-03-09T23:55:33.011507Z
Severity
  • 4.8 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L CVSS Calculator
Summary
[none]
Details

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

References

Affected packages

Git / github.com/armmbed/mbedtls

Affected ranges

Type
GIT
Repo
https://github.com/armmbed/mbedtls
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
c765c831e5c2a0971410692f92f7a81d6ec65ec2
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "3.6.4"
        }
    ]
}

Affected versions

Other
beta-oob-2
list
mbedos-2016q1-oob1
mbedos-2016q1-oob2
mbedos-2016q1-oob3
mbedos-release-15-11
mbedos-techcon-oob2
mbedos-16.*
mbedos-16.01-release
mbedos-16.03-release
mbedtls-1.*
mbedtls-1.3.10
mbedtls-1.4-dtls-preview
mbedtls-2.*
mbedtls-2.0.0
mbedtls-2.1.0
mbedtls-2.1.1
mbedtls-2.1.2
mbedtls-2.10.0
mbedtls-2.11.0
mbedtls-2.12.0
mbedtls-2.13.0
mbedtls-2.13.1
mbedtls-2.14.0
mbedtls-2.15.0
mbedtls-2.15.1
mbedtls-2.16.0
mbedtls-2.17.0
mbedtls-2.18.0
mbedtls-2.19.0
mbedtls-2.19.0d1
mbedtls-2.19.0d2
mbedtls-2.19.1
mbedtls-2.2.0
mbedtls-2.2.1
mbedtls-2.20.0
mbedtls-2.20.0d0
mbedtls-2.20.0d1
mbedtls-2.21.0
mbedtls-2.22.0
mbedtls-2.22.0d0
mbedtls-2.23.0
mbedtls-2.24.0
mbedtls-2.25.0
mbedtls-2.26.0
mbedtls-2.3.0
mbedtls-2.4.0
mbedtls-2.5.0
mbedtls-2.5.1
mbedtls-2.6.0
mbedtls-2.6.0-rc1
mbedtls-2.7.0
mbedtls-2.7.0-rc1
mbedtls-2.8.0
mbedtls-2.8.0-rc1
mbedtls-2.9.0
mbedtls-3.*
mbedtls-3.0.0
mbedtls-3.1.0
mbedtls-3.2.0
mbedtls-3.2.1
mbedtls-3.3.0
mbedtls-3.4.0
mbedtls-3.4.1
mbedtls-3.5.0
mbedtls-3.5.1
mbedtls-3.5.2
mbedtls-3.6.0
mbedtls-3.6.1
mbedtls-3.6.2
mbedtls-3.6.3
polarssl-1.*
polarssl-1.2.0
polarssl-1.2.1
polarssl-1.2.2
polarssl-1.2.3
polarssl-1.2.4
polarssl-1.2.5
polarssl-1.2.6
polarssl-1.3.0
polarssl-1.3.0-rc0
polarssl-1.3.1
polarssl-1.3.2
polarssl-1.3.3
polarssl-1.3.4
polarssl-1.3.5
polarssl-1.3.6
polarssl-1.3.7
polarssl-1.3.8
polarssl-1.3.9
v2.*
v2.23.0
v2.24.0
v2.25.0
v2.26.0
v3.*
v3.0.0
v3.1.0
v3.2.0
v3.2.1
v3.3.0
v3.4.0
v3.4.1
v3.5.0
v3.5.1
v3.5.2
v3.6.0
v3.6.1
v3.6.2
v3.6.3
v3.6.3.1
yotta-2.*
yotta-2.2.1
yotta-2.2.2
yotta-2.2.3
yotta-2.3.0
yotta-2.3.1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-52497.json"