CVE-2021-30015

Name: CVE-2021-30015
Creator: NVD / NIST
Published: 2021-04-19T20:15:14.427+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.87%

Last modified Jun 17, 2026

CVE-2021-30015 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. There is a Null Pointer Dereference in function filter_core/filter_pck.c:gf_filter_pck_new_alloc_internal in GPAC 1.0.1. The pid comes from function av1dmx_parse_flush_sample, the ctx.opid maybe NULL. EPSS estimates a 0.87% chance of exploitation in the next 30 days.

Description

There is a Null Pointer Dereference in function filter_core/filter_pck.c:gf_filter_pck_new_alloc_internal in GPAC 1.0.1. The pid comes from function av1dmx_parse_flush_sample, the ctx.opid maybe NULL. The result is a crash in gf_filter_pck_new_alloc_internal.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

0.87%

54.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Gpac	Gpac	1.0.1

References

https://github.com/gpac/gpac/commit/13dad7d5ef74ca2e6fe4010f5b03eb12e9bbe0ecPatch, Third Party Advisory
https://github.com/gpac/gpac/issues/1719Exploit, Third Party Advisory
https://github.com/gpac/gpac/commit/13dad7d5ef74ca2e6fe4010f5b03eb12e9bbe0ecPatch, Third Party Advisory
https://github.com/gpac/gpac/issues/1719Exploit, Third Party Advisory

Timeline

Published: Apr 19, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-30015?

How severe is CVE-2021-30015?

CVE-2021-30015 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.87% probability of exploitation in the next 30 days.

How do I fix CVE-2021-30015?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-30015?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST