CRITICAL
p7zip: unitialized memory due to incorrect logic of RAR decoder might lead to arbitrary code execution
Published May 2, 2018
9.8
CRITICALCVSS 3.0
EPSS 4.61%
Description
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.
Affected products
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
1 other source (Red Hat) ▾
9.8 CRITICAL Red Hat
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.61% 0.04611
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04611
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (33 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.61% (0.04611) | 91.39th | v5 (v2026.06.15) |
| Sep 22, 2026 | 4.61% (0.04611) | 91.26th | v5 (v2026.06.15) |
| Sep 21, 2026 | 6.74% (0.06738) | 93.74th | v5 (v2026.06.15) |
| Sep 20, 2026 | 4.61% (0.04611) | 91.25th | v5 (v2026.06.15) |
| Sep 6, 2026 | 4.71% (0.04705) | 91.21th | v5 (v2026.06.15) |
| Sep 5, 2026 | 6.88% (0.06875) | 93.69th | v5 (v2026.06.15) |
| Aug 30, 2026 | 4.71% (0.04705) | 91.16th | v5 (v2026.06.15) |
| Aug 28, 2026 | 6.88% (0.06875) | 93.65th | v5 (v2026.06.15) |
| Aug 24, 2026 | 4.71% (0.04705) | 91.11th | v5 (v2026.06.15) |
| Aug 23, 2026 | 6.88% (0.06875) | 93.63th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.98% (0.04982) | 91.07th | v5 (v2026.06.15) |
| Feb 24, 2026 | 5.43% (0.05431) | 89.99th | v4 (v2025.03.14) |
| Nov 21, 2025 | 7.58% (0.07580) | 91.45th | v4 (v2025.03.14) |
| Nov 18, 2025 | 2.63% (0.02633) | 84.38th | v4 (v2025.03.14) |
| Jun 14, 2025 | 7.58% (0.07580) | 91.34th | v4 (v2025.03.14) |
| Mar 30, 2025 | 5.43% (0.05431) | 89.19th | v4 (v2025.03.14) |
| Mar 29, 2025 | 24.79% (0.24788) | 93.78th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.43% (0.05431) | 89.45th | v4 (v2025.03.14) |
| Dec 12, 2024 | 4.67% (0.04670) | 92.92th | v3 (v2023.03.01) |
| May 17, 2024 | 5.41% (0.05412) | 93.12th | v3 (v2023.03.01) |
| Apr 11, 2024 | 6.25% (0.06245) | 93.48th | v3 (v2023.03.01) |
| Mar 11, 2024 | 8.13% (0.08127) | 94.14th | v3 (v2023.03.01) |
| Sep 23, 2023 | 9.49% (0.09491) | 94.03th | v3 (v2023.03.01) |
| Apr 26, 2023 | 9.37% (0.09371) | 93.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 9.27% (0.09266) | 93.67th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.25% (0.03249) | 84.24th | v2 (v2022.01.01) |
| Jan 27, 2023 | 3.25% (0.03249) | 83.76th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.16% (0.03161) | 82.35th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.16% (0.03161) | 65.03th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.83% (0.02825) | 63.11th | v1 |
| Jan 6, 2022 | 2.83% (0.02825) | 62.77th | v1 |
| Sep 1, 2021 | 2.83% (0.02825) | 80.52th | v1 |
| Apr 14, 2021 | 2.83% (0.02825) | 0.00th | v1 |
Weaknesses (3)
References (8)
- http://www.securityfocus.com/bid/104132 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040832 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-10115 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1574414 Issue Tracking
- https://landave.io/2018/05/7-zip-from-uninitialized-memory-to-remote-code-execution/ x_refsource_MISCExploitThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-10115
- https://sourceforge.net/p/sevenzip/discussion/45797/thread/adc65bfa/ x_refsource_CONFIRMIssue Tracking
- https://www.cve.org/CVERecord?id=CVE-2018-10115
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/104132 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1040832 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2018-10115 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1574414 | Issue Tracking | |
| https://landave.io/2018/05/7-zip-from-uninitialized-memory-to-remote-code-execution/ | x_refsource_MISCExploitThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-10115 | ||
| https://sourceforge.net/p/sevenzip/discussion/45797/thread/adc65bfa/ | x_refsource_CONFIRMIssue Tracking | |
| https://www.cve.org/CVERecord?id=CVE-2018-10115 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published May 2, 2018
Updated Aug 5, 2024
Reserved Apr 14, 2018
Link CVE-2018-10115
CISA Vulnrichment
Updated n/a