AUGUST 4, 2026
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Case File

CVE-2021-44921

MEDIUM · CVSS 5.5 EPSS 0.61% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-21 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-44921
Severity
MEDIUM
CVSS
5.5
EPSS
0.61%

Original NVD Description

A null pointer dereference vulnerability exists in gpac 1.1.0 in the gf_isom_parse_movie_boxes_internal function, which causes a segmentation fault and application crash.