What is CVE-2023-37748?

CVE-2023-37748 is a medium-severity vulnerability in Miniupnp Project Ngiflib, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2023-07-19.

How severe is CVE-2023-37748?

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

Vulnerability in Miniupnp Project Ngiflib

CVE-2023-37748

ngiflib commit 5e7292 was discovered to contain an infinite loop via the function DecodeGifImg at ngiflib.c.

Published 2023-07-19 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.003 (18.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Miniupnp Project Ngiflib

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

github.com/miniupnp/ngiflib/issues/25 (Exploit, Patch, Issue Tracking)
github.com/miniupnp/ngiflib/ (Product)

Frequently asked questions

What is CVE-2023-37748?: CVE-2023-37748 is a medium-severity vulnerability in Miniupnp Project Ngiflib, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2023-07-19.
How severe is CVE-2023-37748?: Medium severity. CVSS v3 base score is 5.5 out of 10.