What is CVE-2023-3523?

CVE-2023-3523 is a high-severity vulnerability in Gpac, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2023-07-06.

How severe is CVE-2023-3523?

High severity. CVSS v3 base score is 7.1 out of 10.

Out-of-bounds Read in Gpac

CVE-2023-3523

Out-of-bounds Read in GitHub repository gpac/gpac prior to 2.2.2.

Vulnerability class: Buffer Overflow

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

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (26.7th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Gpac
Gpac Gpac/gpac — versions unspecified

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

huntr.dev/bounties/57e0be03-8484-415e-8b5c-c1fe4546eaac (Exploit, Third Party Advisory)
github.com/gpac/gpac/commit/64201a26476c12a7dbd7ffb5757743af6954db96 (Patch)

Frequently asked questions

What is CVE-2023-3523?: CVE-2023-3523 is a high-severity vulnerability in Gpac, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2023-07-06.
How severe is CVE-2023-3523?: High severity. CVSS v3 base score is 7.1 out of 10.