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CVE-2016-4300
Integer overflow in the read_SubStreamsInfo function in archive_read_support_format_7zip.c in libarchive before 3.2.1 allows remote…
High7.8EPSS 4.9%
- Published
- Updated
- Reserved
- Assigned by
- certcc
Description
Integer overflow in the read_SubStreamsInfo function in archive_read_support_format_7zip.c in libarchive before 3.2.1 allows remote attackers to execute arbitrary code via a 7zip file with a large number of substreams, which triggers a heap-based buffer overflow.
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)
- 4.9% · top 7.9% of all CVEs (3 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 (12)
- RHSA-2016:1844 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://blog.talosintel.com/2016/06/the-poisoned-archives.html (opens in a new tab)x_refsource_MISCx_transferred
- 91326 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://github.com/libarchive/libarchive/issues/718 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.talosintel.com/reports/TALOS-2016-0152/ (opens in a new tab)x_refsource_MISCx_transferred
- GLSA-201701-03 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://github.com/libarchive/libarchive/commit/e79ef306afe332faf22e9b442a2c6b59cb175573 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00062&languageid=en-fr (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-3657 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1348439 (opens in a new tab)x_refsource_CONFIRMx_transferred
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)
Record last updated .