Home > Vulnerability Database > CVE-2019-17543

Mend.io Vulnerability Database

CVE-2019-17543

Good to know:

Date: October 13, 2019

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."

Language: C

Severity Score

8.1

Related Resources (24)

Url: https://lists.apache.org/thread.html/25015588b770d67470b7ba7ea49a305d6735dd7f00eabe7d50ec1e17@%3Cissues.arrow.apache.org%3E

Url: https://lists.apache.org/thread.html/9ff0606d16be2ab6a81619e1c9e23c3e251756638e36272c8c8b7fa3@%3Cissues.arrow.apache.org%3E

Url: http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00070.html

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15941

Url: https://www.oracle.com/security-alerts/cpuoct2020.html

Url: https://access.redhat.com/security/cve/CVE-2019-17543

Url: https://security.netapp.com/advisory/ntap-20210723-0001/

Url: https://nvd.nist.gov/vuln/detail/CVE-2019-17543

Url: http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00069.html

Url: https://lists.apache.org/thread.html/r4068ba81066792f2b4d208b39c4c4713c5d4c79bd8cb6c1904af5720@%3Cissues.kudu.apache.org%3E

Url: https://lists.apache.org/thread.html/r7bc72200f94298bc9a0e35637f388deb53467ca4b2e2ad1ff66d8960@%3Cissues.kudu.apache.org%3E

Url: https://security-tracker.debian.org/tracker/CVE-2019-17543

Url: https://github.com/lz4/lz4/issues/801

Url: https://lists.apache.org/thread.html/543302d55e2d2da4311994e9b0debdc676bf3fd05e1a2be3407aa2d6@%3Cissues.arrow.apache.org%3E

Url: https://lists.apache.org/thread.html/793012683dc0fa6819b7c2560e6cf990811014c40c7d75412099c357@%3Cissues.arrow.apache.org%3E

Url: https://security.alpinelinux.org/vuln/CVE-2019-17543

Url: https://github.com/lz4/lz4/compare/v1.9.1...v1.9.2

Url: https://lists.apache.org/thread.html/f506bc371d4a068d5d84d7361293568f61167d3a1c3e91f0def2d7d3@%3Cdev.arrow.apache.org%3E

Url: https://github.com/lz4/lz4/pull/756

Url: https://lists.apache.org/thread.html/r0fb226357e7988a241b06b93bab065bcea2eb38658b382e485960e26@%3Cissues.kudu.apache.org%3E

Url: https://www.oracle.com//security-alerts/cpujul2021.html

Url: https://lists.apache.org/thread.html/f0038c4fab2ee25aee849ebeff6b33b3aa89e07ccfb06b5c87b36316@%3Cissues.arrow.apache.org%3E

Url: https://github.com/lz4/lz4/pull/760

Url: https://www.mend.io/vulnerability-database/CVE-2019-17543

Severity Score

8.1

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

Top Fix

Upgrade Version

Upgrade to version 1.9.2

Learn More

CVSS v3.1

Base Score:	8.1
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.8
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

Mend.io Vulnerability Database

We found results for “”

CVE-2019-17543

Good to know:

Date: October 13, 2019

Language: C

Severity Score

Related Resources (24)

Severity Score

Weakness Type (CWE)

Top Fix

Upgrade Version

CVSS v3.1

CVSS v2

Do you need more information?