CVE-2021-44486

CRITICALNVD 9.89.8—

9.8

An issue was discovered in YottaDB through r1.32 and V7.0-000. Using crafted input, attackers can manipulate the value of a function pointer used in op_write in sr_port/op_write.c in order to gain control of the flow of execution.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 77.6%
KEV: Not listed

Published

April 15, 2022

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated May 26, 2026

No patch confirmed yet.

generic

Fix bugs exposed by fuzz testing (#828) · Issues · YottaDB / DB / YDB · GitLab

https://gitlab.com/YottaDB/DB/YDB/-/issues/828

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-29 13:42 UTCEPSS rescore

Frequently asked(5)

What is CVE-2021-44486?

CVE-2021-44486 is a critical vulnerability published on April 15, 2022. An issue was discovered in YottaDB through r1.32 and V7.0-000. Using crafted input, attackers can manipulate the value of a function pointer used in opwrite in srport/op_write.c in order to gain control of the flow of execution.

When was CVE-2021-44486 disclosed?

CVE-2021-44486 was first published in the National Vulnerability Database on April 15, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-44486 actively exploited?

CVE-2021-44486 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 77.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-44486?

CVE-2021-44486 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2021-44486?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-44486, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2021-44486

📅 Published

🔄 Last Modified

📋 Advisory Details (1)