HIGH
libarchive: Overlapping memcpy in CAB parser
Published Sep 20, 2016
7.5
HIGHCVSS 3.0
EPSS 3.84%
Description
The archive_string_append function in archive_string.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (crash) via a crafted cab files, related to "overlapping memcpy."
Affected products
No data.
Configuration 1
OR
- 12.0
- 12.0
- 12.0
Configuration 2
- ≤ 3.1.901a
No data.
Red Hat Enterprise Linux 6
libarchive
Not affected
Red Hat Enterprise Linux 7
libarchive
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | libarchive | Not affected | n/a |
| Red Hat Enterprise Linux 7 | libarchive | Not affected | n/a |
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.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
1 other source (Red Hat) ▾
3.7 LOW Red Hat
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact Low
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.84% 0.03839
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03839
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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.84% (0.03839) | 89.79th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.77% (0.03767) | 88.48th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.04% (0.02038) | 82.63th | v4 (v2025.03.14) |
| Dec 17, 2024 | 7.96% (0.07959) | 94.26th | v3 (v2023.03.01) |
| Dec 22, 2023 | 5.94% (0.05940) | 92.70th | v3 (v2023.03.01) |
| Oct 3, 2023 | 5.29% (0.05295) | 92.16th | v3 (v2023.03.01) |
| Jul 8, 2023 | 4.55% (0.04546) | 91.34th | v3 (v2023.03.01) |
| May 8, 2023 | 5.34% (0.05342) | 91.86th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.55% (0.04546) | 91.22th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
Weaknesses (2)
References (11)
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/06/17/2 mailing-listx_refsource_MLISTThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/06/17/5 mailing-listx_refsource_MLISTThird Party Advisory
- http://www.securityfocus.com/bid/91300 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2015-8918 Vendor Advisory
- https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html x_refsource_MISCThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1348770 Issue Tracking
- https://github.com/libarchive/libarchive/issues/506 x_refsource_CONFIRMPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-8918
- https://security.gentoo.org/glsa/201701-03 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2015-8918
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html | vendor-advisoryx_refsource_SUSEThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2016/06/17/2 | mailing-listx_refsource_MLISTThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2016/06/17/5 | mailing-listx_refsource_MLISTThird Party Advisory | |
| http://www.securityfocus.com/bid/91300 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2015-8918 | Vendor Advisory | |
| https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html | x_refsource_MISCThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1348770 | Issue Tracking | |
| https://github.com/libarchive/libarchive/issues/506 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-8918 | ||
| https://security.gentoo.org/glsa/201701-03 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2015-8918 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 20, 2016
Updated Aug 6, 2024
Reserved Jun 17, 2016
Link CVE-2015-8918
CISA Vulnrichment
Updated n/a