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TI-2022-23319 Aliases CVE-2022-47111GHSA-f2q2-pv27-hgjf

Improper check for unusual conditions in 7-Zip

Priority MEDIUM 49CWE-754Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

7-Zip 22.01 does not report an error for certain invalid xz files, involving block flags and reserved bits. Some later versions are unaffected.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00241 15th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
7-Zip7-Zip22.01—No fix listedCNA
  • 7-Zip Vendor7-Zip Affected 22.01 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:7-zip:7-zip:22.01:*:*:*:*:*:*:*22.01Vulnerable7-Zip
  • cpe:2.3:a:7-zip:7-zip:22.01:*:*:*:*:*:*:* Versions 22.01 Vulnerable ·7-Zip

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-47111
  2. 2026-10-03 Alias added: GHSA-f2q2-pv27-hgjf

References

Exploit 1

  • TI-2025-00330 Protection mechanism failure in 7-Zip KEVCVSS 3.1HIGH 7.0
  • TI-2026-35535 GHSL-2026-140_7-Zip: 7-Zip has a heap buffer overflow via NTFS compressed stream buffer under-allocation CVSS 3.1HIGH 8.8
  • TI-2024-10630 Integer underflow in 7-Zip CVSS 3.1HIGH 7.8
  • TI-2023-14827 Ppmd7.c in 7-Zip before 23.00 allows an integer underflow and invalid read operation via a crafted 7Z archive. CVSS 3.1HIGH 7.8
  • TI-2026-35532 7-Zip SquashFS Fragment Offset Overflow (GHSL-2026-116) CVSS 3.1HIGH 8.1
  • TI-2026-35551 GHSL-2026-121 7-Zip UEFI DEPEX OOB Read CVSS 3.1HIGH 7.1
See all 31 →

Sources

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