CVE-2021-21949

HIGH

Accusoft ImageGear - Out-of-Bounds Write via JPEG-JFIF Scan Header Parser

Title source: llm
STIX 2.1

Description

An improper array index validation vulnerability exists in the JPEG-JFIF Scan header parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to an out-of-bounds write and potential code exectuion. An attacker can provide a malicious file to trigger this vulnerability.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1377

Scores

CVSS v3 8.8
EPSS 0.0105
EPSS Percentile 59.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-129
Status published
Products (1)
accusoft/imagegear 19.10
Published Apr 14, 2022
Tracked Since Feb 18, 2026