What is CVE-2023-1655?

CVE-2023-1655 is a high-severity vulnerability in Gpac, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2023-03-27.

How severe is CVE-2023-1655?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Gpac

CVE-2023-1655

Heap-based Buffer Overflow in GitHub repository gpac/gpac prior to 2.4.0.

Vulnerability class: Buffer Overflow

Published 2023-03-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (41.7th percentile), scored 2026-10-06.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Gpac
Gpac Gpac/gpac — versions unspecified

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

huntr.dev/bounties/05f1d1de-bbfd-43fe-bdf9-7f73419ce7c9 (Exploit, Patch, Third Party Advisory)
github.com/gpac/gpac/commit/e7f96c2d3774e4ea25f952bcdf55af1dd6e919f4 (Patch)

Frequently asked questions

What is CVE-2023-1655?: CVE-2023-1655 is a high-severity vulnerability in Gpac, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2023-03-27.
How severe is CVE-2023-1655?: High severity. CVSS v3 base score is 7.8 out of 10.