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VULNERABILITIES

CVE-2019-17543 Details

Description

LZ4 before 1.9.2 has a heap-based buffer overflow in LZ4_write32 (related to LZ4_compress_destSize), affecting applications that call LZ4_compress_fast with a large input. (This issue can also lead to data corruption.) NOTE: the vendor states "only a few specific / uncommon usages of the API are at risk."

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00069.html CVE
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00070.html CVE
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15941 CVEThird Party Advisory
https://github.com/lz4/lz4/compare/v1.9.1...v1.9.2 CVEThird Party Advisory
https://github.com/lz4/lz4/issues/801 CVEThird Party Advisory

see all 38 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]

Affected Products

ProductVersions
lz4 project lz4
< 1.9.2

CPE

  • cpe:2.3:a:lz4_project:lz4:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

18 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2019-17543
NVD Published Date:
Oct 14, 2019
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]