CVE-2019-11463

Name: CVE-2019-11463
Creator: NVD / NIST
Published: 2019-04-23T03:29:00.353+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 1.30%

Last modified Jun 17, 2026

CVE-2019-11463 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 1.30% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

1.30%

66.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-401

Affected Software

Vendor	Product	Versions
Libarchive	Libarchive	< 3.4.0

References

https://github.com/libarchive/libarchive/commit/ba641f73f3d758d9032b3f0e5597a9c6e593a505Patch, Third Party Advisory
https://github.com/libarchive/libarchive/issues/1165Exploit, Third Party Advisory
https://access.redhat.com/security/cve/cve-2019-11463Third Party Advisory
https://github.com/libarchive/libarchive/commit/ba641f73f3d758d9032b3f0e5597a9c6e593a505Patch, Third Party Advisory
https://github.com/libarchive/libarchive/issues/1165Exploit, Third Party Advisory

Timeline

Published: Apr 23, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-11463?

How severe is CVE-2019-11463?

CVE-2019-11463 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.30% probability of exploitation in the next 30 days.

How do I fix CVE-2019-11463?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-11463?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST