CVE-2019-11463

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-04-23 · updated 2026-06-17
Weakness: CWE-401

Description

A memory leak in archive_read_format_zip_cleanup in archive_read_support_format_zip.c in libarchive 3.3.4-dev allows remote attackers to cause a denial of service via a crafted ZIP file because of a HAVE_LZMA_H typo. NOTE: this only affects users who downloaded the development code from GitHub. Users of the product's official releases are unaffected.

Affected products

libarchive: before 3.4.0 — fixed in 3.4.0

How to fix

Upgrade to a fixed version: libarchive 3.4.0. Check the vendor advisory for mitigations.

References

https://github.com/libarchive/libarchive/commit/ba641f73f3d758d9032b3f0e5597a9c6e593a505
https://github.com/libarchive/libarchive/issues/1165
https://access.redhat.com/security/cve/cve-2019-11463
https://github.com/libarchive/libarchive/commit/ba641f73f3d758d9032b3f0e5597a9c6e593a505
https://github.com/libarchive/libarchive/issues/1165

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