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TI-2026-74097 Aliases CVE-2026-110603GHSA-m6xh-mjq9-hv5w

Invalid free in LASzip header parsing corrupts heap via crafted files

Priority LOW 25CWE-824Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
Present
Impact type
—
Confidentiality · integrity · availability
None · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

LASzip through 3.5.0 contains an invalid free in laszip_read_header() that lets attackers free uninitialized heap pointers through truncated variable length record data. A crafted LAS or LAZ file with an inflated VLR count crashes the process and corrupts the heap when it is opened and destroyed through the C API. The weakness is CWE-824 (Access of Uninitialized Pointer). CVSS 4.0 scores it 5.8 (MEDIUM) with vector CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N, CISA has not added it to KEV, and the references contain no exploit link.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

LASzip through 3.5.0 contains an invalid free vulnerability in laszip_read_header() that allows attackers to free uninitialized heap pointers via truncated variable length record data. Attackers can supply a crafted LAS/LAZ file with an inflated VLR count that, when opened and destroyed through the C API, crashes the process and corrupts the heap.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00171 6th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
rapidlassoLASzipup to 3.5.0—No fix listedCNA
  • LASzip Vendorrapidlasso Affected up to 3.5.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for LASzip.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-14 Threatist record created from CVE-2026-110603
  2. 2026-10-14 Alias added: GHSA-m6xh-mjq9-hv5w
  3. 2026-10-16 Priority changed: MEDIUM → LOW
  4. 2026-10-16 Affected versions changed · Red Hat
  5. 2026-10-16 CVSS score added · Red Hat
  6. 2026-10-16 CISA SSVC decision points changed

References

Patch 1

Advisory 1

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences