7.5

CVE-2025-48965: arm mbed_tls Incorrect Behavior Order

CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2025-48965UBUNTU-CVE-2025-48965DEBIAN-CVE-2025-48965
Published 20-07-2025Last modified 03-11-2025
Open JSON

Vulnerability summary

CVE-2025-48965 is a high (CVSS 7.5) Incorrect Behavior Order vulnerability in arm mbed_tls. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.9% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.53%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 2
DLA-4274-1OPENSUSE-SU-2026:21144-1USN-8123-1

Timeline

  1. 20-07-2025
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

Description

Mbed TLS before 3.6.4 has a NULL pointer dereference because mbedtls_asn1_store_named_data can trigger conflicting data with val.p of NULL but val.len greater than zero.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.53%

Chance of exploitation in the next 30 days

Percentile

44%

Versus all other CVEs

30-day change

+0.03 pp

From 0.50% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.53%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • mbedtls< 3.6.4-r0
Arm1 product
Debian1 product
  • mbedtlsAll versions (No fix recorded) | < 3.6.4-1
Mbed1 product
Ubuntu1 product
  • mbedtlsAll versions (No fix recorded) | < 2.8.0-1ubuntu0.1~esm1 | < 2.16.4-1ubuntu2+esm1 | < 2.28.0-1ubuntu0.1~esm1 | < 2.28.8-1ubuntu0.1~esm1

5 vendors · 5 products

References

8 links