What’s Vulnerable › Vulnerabilities

CVE-2019-19221

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-11-21 · updated 2026-06-17
• Weakness: CWE-125

Description

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.

Affected products

• Canonical Ubuntu Linux: 16.04, 18.04, 19.10
• Debian Linux: 9.0, 10.0
• Fedoraproject Fedora: 32
• libarchive: 3.4.0

References

• https://github.com/libarchive/libarchive/commit/22b1db9d46654afc6f0c28f90af8cdc84a199f41
• https://github.com/libarchive/libarchive/issues/1276
• https://lists.debian.org/debian-lts-announce/2022/04/msg00020.html
• https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RHFV25AVTASTWZRF3KTSL357AQ6TYHM4/
• https://usn.ubuntu.com/4293-1/
• https://github.com/libarchive/libarchive/commit/22b1db9d46654afc6f0c28f90af8cdc84a199f41
• https://github.com/libarchive/libarchive/issues/1276
• https://lists.debian.org/debian-lts-announce/2022/04/msg00020.html
• https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RHFV25AVTASTWZRF3KTSL357AQ6TYHM4/
• https://usn.ubuntu.com/4293-1/

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