libarchive: Heap out of bounds read when reading password for malformed ZIP
Published Sep 20, 2016
5.5
MEDIUMCVSS 3.0
EPSS 1.53%
Description
The trad_enc_decrypt_update function in archive_read_support_format_zip.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (out-of-bounds heap read and crash) via a crafted zip file, related to reading the password.
Affected products
No data.
- ≤ 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.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.53% (0.01532) | 73.85th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.53% (0.01532) | 71.43th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.22% (0.00222) | 42.78th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.61% (0.00608) | 79.31th | v3 (v2023.03.01) |
| Mar 14, 2024 | 0.61% (0.00608) | 78.10th | v3 (v2023.03.01) |
| Oct 3, 2023 | 0.61% (0.00608) | 76.10th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.60% (0.00601) | 75.16th | 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) |
References (10)
- http://www.openwall.com/lists/oss-security/2016/06/17/2 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/06/17/5 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/91329 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2015-8927 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=1348426 Issue Tracking
- https://github.com/libarchive/libarchive/issues/523 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-8927
- https://security.gentoo.org/glsa/201701-03 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2015-8927
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2016/06/17/2 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2016/06/17/5 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.securityfocus.com/bid/91329 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2015-8927 | 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=1348426 | Issue Tracking | |
| https://github.com/libarchive/libarchive/issues/523 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-8927 | ||
| https://security.gentoo.org/glsa/201701-03 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2015-8927 |
Change history (0)
No recorded changes yet.