CVE-2021-45385

MediumCVSS 6.5/10Last modified Jun 17, 2026

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 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

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
NVD status: Modified

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