What is CVE-2026-76757?

CVE-2026-76757 is a medium-severity vulnerability, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.9/10. Published 2026-09-02.

How severe is CVE-2026-76757?

Medium severity. CVSS v3 base score is 5.9 out of 10.

CVE-2026-76757

CVE-2026-76757

Vulnerability in Drupal Gammu SMS Daemon. This issue affects Gammu SMS Daemon versions: *.*.

Vulnerability class: Buffer Overflow

Published 2026-09-02 · last modified 2026-09-19.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.2th percentile), scored 2026-10-18.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.drupal.org/sa-contrib-2026-100 (vendor-advisory)
disclosure.cmlara.com/2026/002-Gammu_smsd-TokenDisclosure/ (technical-description, third-party-advisory)

Frequently asked questions

What is CVE-2026-76757?: CVE-2026-76757 is a medium-severity vulnerability, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.9/10. Published 2026-09-02.
How severe is CVE-2026-76757?: Medium severity. CVSS v3 base score is 5.9 out of 10.