CVE-2021-34122

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The function bitstr_tell at bitstr.c in ffjpeg commit 4ab404e has a NULL pointer dereference.

La función bitstr_tell en el archivo bitstr.c en el commit 4ab404e de ffjpeg presenta una desreferencia de puntero NULL

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-06-07 CVE Reserved
2022-03-10 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://github.com/rockcarry/ffjpeg/issues/36	2024-08-04

URL	Date	SRC
https://github.com/rockcarry/ffjpeg/pull/37	2023-08-17

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Rockcarry Search vendor "Rockcarry"		Ffjpeg Search vendor "Rockcarry" for product "Ffjpeg"				< 2021-03-16 Search vendor "Rockcarry" for product "Ffjpeg" and version " < 2021-03-16"		-		Affected