CVE-2021-45385

Name: CVE-2021-45385
Creator: NVD / NIST
Published: 2022-02-11T16:15:08.793+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.88%

Last modified Jun 17, 2026

CVE-2021-45385 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A Null Pointer Dereference vulnerability exits in ffjpeg d5cfd49 (2021-12-06) in bmp_load(). When the size information in metadata of the bmp is out of range, it returns without assign memory buffer to `pb->pdata` and did not exit the program. EPSS estimates a 0.88% chance of exploitation in the next 30 days.

Description

A Null Pointer Dereference vulnerability exits in ffjpeg d5cfd49 (2021-12-06) in bmp_load(). When the size information in metadata of the bmp is out of range, it returns without assign memory buffer to `pb->pdata` and did not exit the program. So the program crashes when it tries to access the pb->data, in jfif_encode() at jfif.c:763. This is due to the incomplete patch for CVE-2020-13438.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.88%

54.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Rockcarry	Ffjpeg	2021-12-06

References

https://github.com/rockcarry/ffjpeg/issues/47Exploit, Issue Tracking, Third Party Advisory
https://github.com/rockcarry/ffjpeg/pull/48Issue Tracking, Patch, Third Party Advisory
https://github.com/rockcarry/ffjpeg/issues/47Exploit, Issue Tracking, Third Party Advisory
https://github.com/rockcarry/ffjpeg/pull/48Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Feb 11, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-45385?

How severe is CVE-2021-45385?

CVE-2021-45385 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.

How do I fix CVE-2021-45385?

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-2021-45385?

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

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Source: NVD / NIST