TI-2018-07177 Aliases CVE-2018-10115 GHSA-75r2-jhx8-x356

Incorrect initialization logic of RAR decoder objects in 7-Zip 18.03 and before can lead…

MEDIUM 41CWE-665Published 2018-05-02 · Updated 2024-08-05

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

Incorrect initialization logic of RAR decoder objects in 7-Zip 18.03 and before can lead to usage of uninitialized memory, allowing remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive.

Why it matters now

EPSS 0.04332 91st 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

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:7-zip:7-zip::::::::	up to 18.03	Vulnerable	7-Zip

cpe:2.3:a:7-zip:7-zip:*:*:*:*:*:*:*:* Versions up to 18.03 Vulnerable ·7-Zip

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 1 product

Red Hat Enterprise Linux 8

Timeline

2026-10-02 Threatist record created from CVE-2018-10115
2026-10-03 Alias added: GHSA-75r2-jhx8-x356

References

Exploit 1

https://landave.io/2018/05/7-zip-from-uninitialized-memory-to-remote-code-execution/

Other 1

https://sourceforge.net/p/sevenzip/discussion/45797/thread/adc65bfa/

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