CVE-2018-20536

There is a heap-based buffer over-read at liblas::SpatialReference::GetGTIF() (spatialreference...

6.5 Medium

There is a heap-based buffer over-read at liblas::SpatialReference::GetGTIF() (spatialreference.cpp) in libLAS 1.8.1 that will cause a denial of service.

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

1.43%Up 0.4 points since Apr 14, 2021

What each source reports

NVD Score used 6.5

There is a heap-based buffer over-read at liblas::SpatialReference::GetGTIF() (spatialreference.cpp) in libLAS 1.8.1 that will cause a denial of service.

Record: CVE-2018-20536
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-125
Updated: 2026-11-02

CVE List No score

There is a heap-based buffer over-read at liblas::SpatialReference::GetGTIF() (spatialreference.cpp) in libLAS 1.8.1 that will cause a denial of service.

Record: CVE-2018-20536
Updated: 2026-11-02

EUVDEUVD-2018-13090 No score

There is a heap-based buffer over-read at liblas::SpatialReference::GetGTIF() (spatialreference.cpp) in libLAS 1.8.1 that will cause a denial of service.

Record: EUVD-2018-13090
Updated: 2026-11-03

GitHub AdvisoriesGHSA-qj8x-4mgw-r4p7 6.5

There is a heap-based buffer over-read at liblas::SpatialReference::GetGTIF() (spatialreference...

There is a heap-based buffer over-read at liblas::SpatialReference::GetGTIF() (spatialreference.cpp) in libLAS 1.8.1 that will cause a denial of service.

Record: GHSA-qj8x-4mgw-r4p7
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-125
Updated: 2026-11-02

OSVUBUNTU-CVE-2018-20536 6.5

There is a heap-based buffer over-read at liblas::SpatialReference::GetGTIF() (spatialreference.cpp) in libLAS 1.8.1 that will cause a denial of service.

Record: UBUNTU-CVE-2018-20536
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-2018-20536 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 1.43%, the 73rd percentile. No source names a fixed version.

References

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