What is CVE-2023-2837?

CVE-2023-2837 is a medium-severity vulnerability in Gpac, classified under Stack-based Buffer Overflow. CVSS score: 5.5/10. Published 2023-05-22.

How severe is CVE-2023-2837?

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

Is CVE-2023-2837 known to be exploited?

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

Buffer overflow in Gpac

CVE-2023-2837

Stack-based Buffer Overflow in GitHub repository gpac/gpac prior to 2.2.2.

Vulnerability class: Buffer Overflow

Published 2023-05-22 · 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: 0.004 (30.3th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.3% 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-121 — Stack-based Buffer Overflow

Public proof-of-concept exploits

7resp4ss/7resp4ss

References

huntr.dev/bounties/a6bfd1b2-aba8-4c6f-90c4-e95b1831cb17 (Exploit, Patch, Third Party Advisory)
github.com/gpac/gpac/commit/6f28c4cd607d83ce381f9b4a9f8101ca1e79c611 (Patch)
www.debian.org/security/2023/dsa-5411 (vendor-advisory)

Frequently asked questions

What is CVE-2023-2837?: CVE-2023-2837 is a medium-severity vulnerability in Gpac, classified under Stack-based Buffer Overflow. CVSS score: 5.5/10. Published 2023-05-22.
How severe is CVE-2023-2837?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2023-2837 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.