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CVE-2018-5996
Insufficient exception handling in the method NCompress::NRar3::CDecoder::Code of 7-Zip before 18.00 and p7zip can lead to multiple memory…
High7.8EPSS 2.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Insufficient exception handling in the method NCompress::NRar3::CDecoder::Code of 7-Zip before 18.00 and p7zip can lead to multiple memory corruptions within the PPMd code, allows remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.9% · top 13% of all CVEs (4 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
n/a
- affected n/a
References (5)
- https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/ (opens in a new tab)x_refsource_MISCx_transferred
- 1040831 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/p7zip-project/p7zip/issues/8 (opens in a new tab)
- https://github.com/p7zip-project/p7zip/issues/32 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2018-5996)Record last updated .