HIGH
Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before 16.00 and p7zip allows remote attackers to execute arbitrary code via a crafted HFS+ image
Published Dec 13, 2016
7.8
HIGHCVSS 3.0
EPSS 14.74%
Description
Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before 16.00 and p7zip allows remote attackers to execute arbitrary code via a crafted HFS+ image.
Affected products
No data.
Configuration 2
OR
- 23
- 24
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.8 HIGH NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
9.3 HIGH NVD
AV:N/AC:M/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
14.74% 0.14742
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.14742
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 14.74% (0.14742) | 96.58th | v5 (v2026.06.15) |
| Sep 22, 2026 | 14.74% (0.14742) | 96.52th | v5 (v2026.06.15) |
| Sep 21, 2026 | 19.60% (0.19603) | 97.32th | v5 (v2026.06.15) |
| Sep 6, 2026 | 14.74% (0.14742) | 96.44th | v5 (v2026.06.15) |
| Sep 5, 2026 | 19.60% (0.19603) | 97.27th | v5 (v2026.06.15) |
| Aug 30, 2026 | 14.74% (0.14742) | 96.43th | v5 (v2026.06.15) |
| Aug 28, 2026 | 19.60% (0.19603) | 97.25th | v5 (v2026.06.15) |
| Aug 24, 2026 | 14.74% (0.14742) | 96.41th | v5 (v2026.06.15) |
| Aug 23, 2026 | 19.60% (0.19603) | 97.24th | v5 (v2026.06.15) |
| Jun 15, 2026 | 14.79% (0.14795) | 96.25th | v5 (v2026.06.15) |
| Mar 30, 2025 | 17.16% (0.17155) | 94.46th | v4 (v2025.03.14) |
| Mar 29, 2025 | 63.82% (0.63816) | 97.78th | v4 (v2025.03.14) |
| Mar 28, 2025 | 17.16% (0.17155) | 94.47th | v4 (v2025.03.14) |
| Mar 27, 2025 | 63.82% (0.63816) | 98.20th | v4 (v2025.03.14) |
| Mar 20, 2025 | 64.83% (0.64827) | 98.36th | v4 (v2025.03.14) |
| Mar 19, 2025 | 63.82% (0.63816) | 98.23th | v4 (v2025.03.14) |
| Mar 17, 2025 | 64.83% (0.64827) | 98.31th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.12% (0.01119) | 85.23th | v3 (v2023.03.01) |
| Mar 13, 2024 | 0.84% (0.00837) | 81.64th | v3 (v2023.03.01) |
| Apr 30, 2023 | 0.84% (0.00837) | 79.64th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.82% (0.00821) | 79.26th | v3 (v2023.03.01) |
| Mar 6, 2023 | 34.33% (0.34327) | 97.70th | v2 (v2022.01.01) |
| Oct 24, 2022 | 34.33% (0.34327) | 97.65th | v2 (v2022.01.01) |
| Feb 4, 2022 | 31.56% (0.31559) | 96.47th | v2 (v2022.01.01) |
Weaknesses (1)
References (9)
- http://blog.talosintel.com/2016/05/multiple-7-zip-vulnerabilities.html x_refsource_MISCExploitThird Party Advisory
- http://blog.talosintelligence.com/2017/11/exploiting-cve-2016-2334.html x_refsource_MISC
- http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html x_refsource_CONFIRMPatchThird Party Advisory
- http://www.securityfocus.com/bid/90531 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1035876 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.talosintel.com/reports/TALOS-2016-0093/ x_refsource_MISCExploitThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DNYIQAU3FKFBNFPK6GKYTSVRHQA7PTYT/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DTGWICT3KYYDPDXRNO5SXD32GZICGRIR/ vendor-advisoryx_refsource_FEDORA
- https://security.gentoo.org/glsa/201701-27 vendor-advisoryx_refsource_GENTOO
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner certcc
Published Dec 13, 2016
Updated Aug 5, 2024
Reserved Feb 12, 2016
Link CVE-2016-2334
CISA Vulnrichment
Updated n/a