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TI-2018-08003 Aliases CVE-2018-11243GHSA-xvcg-hv6h-729g

PackLinuxElf64::unpack in p_lx_elf.cpp in UPX 3.95 allows remote attackers to cause a…

Priority LOW 39CWE-415Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-415 and the CVSS impact.

Summary

PackLinuxElf64::unpack in p_lx_elf.cpp in UPX 3.95 allows remote attackers to cause a denial of service (double free), limit the ability of a malware scanner to operate on the entire original data, or possibly have unspecified other impact via a crafted file.

Why it matters now

EPSS 0.02379 83rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:upx:upx:3.95:*:*:*:*:*:*:*3.95VulnerableUpx
  • cpe:2.3:a:upx:upx:3.95:*:*:*:*:*:*:* Versions 3.95 Vulnerable ·Upx

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-11243
  2. 2026-10-03 Alias added: GHSA-xvcg-hv6h-729g

References

Exploit 2

Advisory 6

Other 1

See all 34 →

Sources

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