CVE-2026-34874
- Source
- https://cve.org/CVERecord?id=CVE-2026-34874
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-34874.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-34874
- Downstream
- Related
- Published
- 2026-04-01T00:00:00Z
- Modified
- 2026-07-15T02:19:28.615237525Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
An issue was discovered in Mbed TLS through 3.6.5 and 4.x through 4.0.0. There is a NULL pointer dereference in distinguished name parsing that allows an attacker to write to address 0.
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34874.json", "cna_assigner": "mitre", "unresolved_ranges": [ { "extracted_events": [ { "fixed": "3.6.5" }, { "introduced": "4.x" }, { "fixed": "4.0.0" } ], "source": "DESCRIPTION" } ] }- References
-
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34874.json
- https://mbed-tls.readthedocs.io/en/latest/security-advisories/
- https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-null-pointer-dereference-x509/
- https://nvd.nist.gov/vuln/detail/CVE-2026-34874
Affected packages
Git / github.com/mbed-tls/mbedtls
Affected ranges
- Type
- GIT
- Repo
- https://github.com/mbed-tls/mbedtls
- Events
-
IntroducedFixedIntroducedLast affected
- Database specific
{ "cpe": [ "cpe:2.3:a:trustedfirmware:mbed_tls:*:*:*:*:*:*:*:*", "cpe:2.3:a:trustedfirmware:mbed_tls:4.0.0:*:*:*:*:*:*:*" ], "extracted_events": [ { "introduced": "3.5.0" }, { "fixed": "3.6.6" }, { "introduced": "4.0.0" }, { "last_affected": "4.0.0" } ], "source": [ "CPE_RANGE", "CPE_STRING" ] }