CVE-2020-22219

HIGHNVD 7.89.8▲

7.8

Buffer Overflow vulnerability in function bitwriter_grow_ in flac before 1.4.0 allows remote attackers to run arbitrary code via crafted input to the encoder.

CVSS v3: 7.8
EG Score: 9.8(medium)
EPSS: 55.7%
KEV: Not listed

Published

August 22, 2023

Last Modified

November 21, 2024

References (8)

cve@mitrehttps://github.com/xiph/flac/issues/215
cve@mitrehttps://lists.debian.org/debian-lts-announce/2023/09/msg00028.html
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZD2AJTU4PCJQP7HPTS2L2ELJWBASCRGD/
cve@mitrehttps://www.debian.org/security/2023/dsa-5500
af854a3a-2127-422b-91ae-364da2661108https://github.com/xiph/flac/issues/215
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/09/msg00028.html
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZD2AJTU4PCJQP7HPTS2L2ELJWBASCRGD/
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2023/dsa-5500

Patch Availability(9)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	libflac8 (1.3.3-1ubuntu0.2) @ focal	2026-05-24	ubuntu
ubuntu	libflac8 (1.3.1-4ubuntu0.1~esm2) @ xenial	2026-05-24	ubuntu
redhat	flac-0:1.3.2-9.el8_2.1	2023-09-11	redhat
redhat	flac-0:1.3.3-10.el9_2.1	2023-09-11	redhat
redhat	flac-0:1.3.2-9.el8_1.1	2023-09-11	redhat
redhat	flac-0:1.3.2-9.el8_6.1	2023-09-11	redhat
redhat	flac-0:1.3.2-9.el8_4.1	2023-09-11	redhat
redhat	flac-0:1.3.3-9.el9_0.1	2023-09-11	redhat
redhat	flac-0:1.3.2-9.el8_8.1	2023-09-11	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

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

All Vendor Advisories

(10)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 9× in last 7d / 9× 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 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 18:58 UTCEG score recompute
2026-05-24 18:58 UTCVendor advisory
2026-05-24 18:58 UTCGHSA enrichment
2026-05-24 16:48 UTCepss_batch

Frequently asked(5)

What is CVE-2020-22219?

CVE-2020-22219 is a high vulnerability published on August 22, 2023. Buffer Overflow vulnerability in function bitwritergrow in flac before 1.4.0 allows remote attackers to run arbitrary code via crafted input to the encoder.

When was CVE-2020-22219 disclosed?

CVE-2020-22219 was first published in the National Vulnerability Database on August 22, 2023, 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-2020-22219 actively exploited?

CVE-2020-22219 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 55.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-22219?

CVE-2020-22219 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8.

How do I remediate CVE-2020-22219?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-22219, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-22219

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CVE-2020-22219

Published

Last Modified

References (8)

Patch Availability(9)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-22219?

Same vendor

Same CWE

CVE-2020-22219

📅 Published

🔄 Last Modified

🔗 References (8)

Patch Availability(9)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-22219?

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References (8)

Frequently asked(5)

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