CVE-2019-19221

MEDIUMNVD 5.55.5—

5.5

In Libarchive 3.4.0, archive_wstring_append_from_mbs in archive_string.c has an out-of-bounds read because of an incorrect mbrtowc or mbtowc call. For example, bsdtar crashes via a crafted archive.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 24.8%
KEV: Not listed

Published

November 21, 2019

Last Modified

November 21, 2024

References (12)

cve@mitrehttps://github.com/libarchive/libarchive/commit/22b1db9d46654afc6f0c28f90af8cdc84a199f41
cve@mitrehttps://github.com/libarchive/libarchive/issues/1276
cve@mitrehttps://lists.debian.org/debian-lts-announce/2022/04/msg00020.html
cve@mitrehttps://lists.debian.org/debian-lts-announce/2022/11/msg00030.html
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RHFV25AVTASTWZRF3KTSL357AQ6TYHM4/
cve@mitrehttps://usn.ubuntu.com/4293-1/
af854a3a-2127-422b-91ae-364da2661108https://github.com/libarchive/libarchive/commit/22b1db9d46654afc6f0c28f90af8cdc84a199f41
af854a3a-2127-422b-91ae-364da2661108https://github.com/libarchive/libarchive/issues/1276
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/04/msg00020.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RHFV25AVTASTWZRF3KTSL357AQ6TYHM4/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4293-1/

Patch Availability(3)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	libarchive13 (3.4.0-1ubuntu0.1) @ eoan	2026-05-27	ubuntu
ubuntu	libarchive13 (3.1.2-11ubuntu0.16.04.8+esm2) @ xenial	2026-05-27	ubuntu
redhat	libarchive-0:3.3.2-9.el8	2020-11-04	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-125Out-of-bounds Read

All Vendor Advisories

(3)

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 13× in last 7d / 20× 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.

2026-06-05 06:08 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 11:21 UTCEG score recompute
2026-05-27 11:21 UTCVendor advisory
2026-05-27 11:21 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch

Frequently asked(5)

What is CVE-2019-19221?

CVE-2019-19221 is a medium vulnerability published on November 21, 2019. In Libarchive 3.4.0, archivewstringappendfrommbs in archive_string.c has an out-of-bounds read because of an incorrect mbrtowc or mbtowc call. For example, bsdtar crashes via a crafted archive.

When was CVE-2019-19221 disclosed?

CVE-2019-19221 was first published in the National Vulnerability Database on November 21, 2019, 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-2019-19221 actively exploited?

CVE-2019-19221 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 24.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-19221?

CVE-2019-19221 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2019-19221?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-19221, 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-2019-19221

Published

Last Modified

References (12)

Patch Availability(3)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-19221?

Same vendor

Same CWE

CVE-2019-19221

📅 Published

🔄 Last Modified

🔗 References (12)

Patch Availability(3)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-19221?

🔗 Related CVEs(same vendor + same CWE)

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References (12)

Frequently asked(5)

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