What is CVE-2023-5377?

CVE-2023-5377 is a high-severity vulnerability in Gpac, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2023-10-04.

How severe is CVE-2023-5377?

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

Is CVE-2023-5377 known to be exploited?

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

Out-of-bounds Read in Gpac

CVE-2023-5377

Out-of-bounds Read in GitHub repository gpac/gpac prior to v2.2.2-DEV.

Vulnerability class: Buffer Overflow

Published 2023-10-04 · 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: 0.003 (25.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.1% 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

Gpac
Gpac Gpac/gpac — versions unspecified

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

huntr.dev/bounties/fe778df4-3867-41d6-954b-211c81bccbbf (Exploit, Third Party Advisory)
github.com/gpac/gpac/commit/8e9d6b38c036a97020c462ad48e1132e0ddc57ce (Patch)

Frequently asked questions

What is CVE-2023-5377?: CVE-2023-5377 is a high-severity vulnerability in Gpac, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2023-10-04.
How severe is CVE-2023-5377?: High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2023-5377 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.