libzip: Double free in _zip_dirent_read function in zip_dirent.c
Published Aug 23, 2017
9.8
CRITICALCVSS 3.1
EPSS 3.29%
Description
Double free vulnerability in the _zip_dirent_read function in zip_dirent.c in libzip allows attackers to have unspecified impact via unknown vectors.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
php53
Not affected
Red Hat Enterprise Linux 6
libzip
Not affected
Red Hat Enterprise Linux 6
php
Not affected
Red Hat Enterprise Linux 7
libzip
Not affected
Red Hat Software Collections
rh-php56-php
Not affected
Red Hat Software Collections
rh-php70-php
Not affected
Red Hat Software Collections
rh-php71-php
Not affected
Red Hat Software Collections
rh-php72-php
Not affected
Red Hat Software Collections
rh-php73-php
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | php53 | Not affected | n/a |
| Red Hat Enterprise Linux 6 | libzip | Not affected | n/a |
| Red Hat Enterprise Linux 6 | php | Not affected | n/a |
| Red Hat Enterprise Linux 7 | libzip | Not affected | n/a |
| Red Hat Software Collections | rh-php56-php | Not affected | n/a |
| Red Hat Software Collections | rh-php70-php | Not affected | n/a |
| Red Hat Software Collections | rh-php71-php | Not affected | n/a |
| Red Hat Software Collections | rh-php72-php | Not affected | n/a |
| Red Hat Software Collections | rh-php73-php | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
AV:N/AC:L/Au:N/C:P/I:P/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
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.29% (0.03286) | 88.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.70% (0.03703) | 88.28th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.75% (0.00746) | 70.74th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.10% (0.03097) | 77.89th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.23% (0.00230) | 61.60th | v3 (v2023.03.01) |
| Jun 8, 2023 | 0.23% (0.00230) | 59.90th | v3 (v2023.03.01) |
| May 8, 2023 | 0.27% (0.00274) | 63.23th | v3 (v2023.03.01) |
| Apr 12, 2023 | 0.33% (0.00326) | 66.32th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.27% (0.00273) | 62.91th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v1 |
| Jan 6, 2022 | 0.62% (0.00624) | 17.24th | v1 |
| Sep 1, 2021 | 0.62% (0.00624) | 45.04th | v1 |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (6)
- http://www.securityfocus.com/bid/100459 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-12858 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1484514 Issue Tracking
- https://github.com/nih-at/libzip/commit/2217022b7d1142738656d891e00b3d2d9179b796 x_refsource_CONFIRMPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-12858
- https://www.cve.org/CVERecord?id=CVE-2017-12858
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/100459 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2017-12858 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1484514 | Issue Tracking | |
| https://github.com/nih-at/libzip/commit/2217022b7d1142738656d891e00b3d2d9179b796 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-12858 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-12858 |
Change history (0)
No recorded changes yet.