What is CVE-2014-125106?

CVE-2014-125106 is a critical-severity vulnerability in Nanopb Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-06-17.

How severe is CVE-2014-125106?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2014-125106 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Nanopb Project

CVE-2014-125106

Nanopb before 0.3.1 allows size_t overflows in pb_dec_bytes and pb_dec_string.

Vulnerability class: Buffer Overflow

Published 2023-06-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Nanopb Project

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

DiRaltvein/memory-corruption-examples

References

github.com/nanopb/nanopb/commit/d2099cc8f1adb33d427a44a5e32ed27b647c7168 (Patch)
github.com/nanopb/nanopb/blob/master/CHANGELOG.txt (Release Notes)
github.com/nanopb/nanopb/compare/nanopb-0.3.0...nanopb-0.3.1 (Patch)

Frequently asked questions

What is CVE-2014-125106?: CVE-2014-125106 is a critical-severity vulnerability in Nanopb Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-06-17.
How severe is CVE-2014-125106?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2014-125106 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.