CVE-2021-45266

Name: CVE-2021-45266
Creator: NVD / NIST
Published: 2021-12-22T18:15:08.22+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.07%

Last modified Jun 17, 2026

CVE-2021-45266 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A null pointer dereference vulnerability exists in gpac 1.1.0 via the lsr_read_anim_values_ex function, which causes a segmentation fault and application crash.. EPSS estimates a 1.07% chance of exploitation in the next 30 days.

Description

A null pointer dereference vulnerability exists in gpac 1.1.0 via the lsr_read_anim_values_ex function, which causes a segmentation fault and application crash.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.07%

60.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions	Update
Gpac	Gpac	1.1.0	Dev

References

https://github.com/gpac/gpac/issues/1985Exploit, Issue Tracking, Third Party Advisory
https://github.com/gpac/gpac/issues/1985Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Dec 22, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-45266?

A null pointer dereference vulnerability exists in gpac 1.1.0 via the lsr_read_anim_values_ex function, which causes a segmentation fault and application crash.

How severe is CVE-2021-45266?

CVE-2021-45266 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.07% probability of exploitation in the next 30 days.

How do I fix CVE-2021-45266?

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-2021-45266?

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

Scan your code now

Source: NVD / NIST