What is CVE-2025-26434?

CVE-2025-26434 is a medium-severity vulnerability in Google Android, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2025-09-05.

How severe is CVE-2025-26434?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Google Android

CVE-2025-26434

In libxml2, there is a possible out of bounds read due to a buffer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (0.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Google Android — versions 16, 16.0

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

security@android.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-26434?: CVE-2025-26434 is a medium-severity vulnerability in Google Android, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2025-09-05.
How severe is CVE-2025-26434?: Medium severity. CVSS v3 base score is 5.5 out of 10.