CVE-2020-23705

MEDIUMNVD 6.56.5—

6.5

A global buffer overflow vulnerability in jfif_encode at jfif.c:701 of ffjpeg through 2020-06-22 allows attackers to cause a Denial of Service (DOS) via a crafted jpeg file.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 47.5%
KEV: Not listed

Published

July 15, 2021

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://github.com/rockcarry/ffjpeg/issues/25
af854a3a-2127-422b-91ae-364da2661108https://github.com/rockcarry/ffjpeg/issues/25

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-120Buffer Copy without Checking Size (Classic Buffer Overflow)

Data Freshness Timeline

(refreshed 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:28 UTCEG score recompute
2026-05-26 13:27 UTCGHSA enrichment
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:48 UTCepss_batch

Frequently asked(5)

What is CVE-2020-23705?

CVE-2020-23705 is a medium vulnerability published on July 15, 2021. A global buffer overflow vulnerability in jfif_encode at jfif.c:701 of ffjpeg through 2020-06-22 allows attackers to cause a Denial of Service (DOS) via a crafted jpeg file.

When was CVE-2020-23705 disclosed?

CVE-2020-23705 was first published in the National Vulnerability Database on July 15, 2021, 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-2020-23705 actively exploited?

CVE-2020-23705 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 47.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-23705?

CVE-2020-23705 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2020-23705?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-23705, 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.

Dependency Blast Radius

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CVE-2020-23705

📅 Published

🔄 Last Modified

🔗 References (2)