CVE-2018-20540

There is memory leak at liblas::Open (liblas/liblas.hpp) in libLAS 1.8.1.

6.5 Medium

There is memory leak at liblas::Open (liblas/liblas.hpp) in libLAS 1.8.1.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

1.47%Up 0.6 points since Apr 14, 2021

What each source reports

NVD Score used 6.5

There is memory leak at liblas::Open (liblas/liblas.hpp) in libLAS 1.8.1.

Record: CVE-2018-20540
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness: CWE-772
Updated: 2026-11-02

CVE List No score

There is memory leak at liblas::Open (liblas/liblas.hpp) in libLAS 1.8.1.

Record: CVE-2018-20540
Updated: 2026-11-02

EUVDEUVD-2018-13094 No score

There is memory leak at liblas::Open (liblas/liblas.hpp) in libLAS 1.8.1.

Record: EUVD-2018-13094
Updated: 2026-11-03

GitHub AdvisoriesGHSA-c8h3-2hgv-9732 6.5

There is memory leak at liblas::Open (liblas/liblas.hpp) in libLAS 1.8.1.

There is memory leak at liblas::Open (liblas/liblas.hpp) in libLAS 1.8.1.

Record: GHSA-c8h3-2hgv-9732
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-772
Updated: 2026-11-02

OSVUBUNTU-CVE-2018-20540 6.5

There is memory leak at liblas::Open (liblas/liblas.hpp) in libLAS 1.8.1.

Record: UBUNTU-CVE-2018-20540
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

liblas

Affected packages

Affected packages
Package	Affected	Fixed
`liblas` Ubuntu:16.04:LTS	All versions, plus listed versions 1.8.0-51.8.0-71.8.0-7build1	None known
`liblas` Ubuntu:18.04:LTS	All versions, plus listed versions 1.8.1-4build11.8.1-4build21.8.1-51.8.1-6build1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-20540 is a medium vulnerability (CVSS 6.5) in Liblas, published December 28, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.47%, the 73rd percentile. No source names a fixed version.

References

Show 4 moreShow less