CVE-2018-20536
CVE-2018-20536 is a medium-severity vulnerability in Liblas with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (70th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Liblas
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2018-20536?
- 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.
- How severe is CVE-2018-20536?
- CVE-2018-20536 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2018-20536 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-20536?
- CVE-2018-20536 affects Liblas. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-20536?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-20536 published?
- CVE-2018-20536 was published on 2018-12-28 and last updated on 2026-06-17.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1652610
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3TPVZSUWM5TEAMCBL3Y7QLGQSLCCJFIT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YFI3F3PRKPXOITWD47LF6ON4L5MJQQYM/
Affected products (1)
- cpe:2.3:a:liblas:liblas:1.8.1:*:*:*:*:*:*:*
More vulnerabilities in Liblas
- CVE-2024-27507 — High (CVSS 7.5): libLAS 1.8.1 contains a memory leak vulnerability in /libLAS/apps/ts2las.cpp.
- CVE-2018-20540 — Medium (CVSS 6.5): There is memory leak at liblas::Open (liblas/liblas.hpp) in libLAS 1.8.1.
- CVE-2018-20539 — Medium (CVSS 6.5): There is a Segmentation fault triggered by illegal address access at liblas::SpatialReference::GetGTIF()…
- CVE-2018-20537 — Medium (CVSS 6.5): There is a NULL pointer dereference at liblas::SpatialReference::GetGTIF() (spatialreference.cpp) in libLAS 1.8.1 that…
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