CVE-2021-36692

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

libjxl v0.3.7 is affected by a Divide By Zero in issue in lib/extras/codec_apng.cc jxl::DecodeImageAPNG(). When encoding a malicous APNG file using cjxl, an attacker can trigger a denial of service.

libjxl versión v0.3.7, está afectada por un problema de División Por Cero en el archivo lib/extras/codec_apng.cc en la función jxl::DecodeImageAPNG(). Cuando se codifica un archivo APNG malicioso usando cjxl, un atacante puede desencadenar una denegación de servicio.

*Credits: N/A

Attack Vector

Network

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

2021-07-12 CVE Reserved
2021-08-30 CVE Published
2024-05-15 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-369: Divide By Zero

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC
https://github.com/libjxl/libjxl/issues/308	2024-08-04

URL	Date	SRC
https://github.com/libjxl/libjxl/commit/7dfa400ded53919d986c5d3d23446a09e0cf481b	2021-09-07
https://github.com/libjxl/libjxl/pull/313	2021-09-07

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Libjxl Project Search vendor "Libjxl Project"		Libjxl Search vendor "Libjxl Project" for product "Libjxl"				0.3.7 Search vendor "Libjxl Project" for product "Libjxl" and version "0.3.7"		-		Affected