Buffer overflow in Arm Mbed TLS
CVE-2023-43615
Mbed TLS 2.x before 2.28.5 and 3.x before 3.5.0 has a Buffer Overflow.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.009 (60.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.002
Affected products
- Arm Mbed TLS
- Trustedfirmware Mbed TLS
- Fedoraproject Fedora — versions 37, 38, 39
Weakness classification (CWE)
Public proof-of-concept exploits
References
- mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory… (Mitigation, Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Mailing List)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Mailing List)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Mailing List)
Frequently asked questions
- What is CVE-2023-43615?
- CVE-2023-43615 is a high-severity vulnerability in Arm Mbed TLS, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2023-10-07.
- How severe is CVE-2023-43615?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-43615 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.