zziplib: uncontrolled memory allocation in __zzip_parse_root_directory in zzip/zip.c
Published Feb 9, 2018
6.5
MEDIUMCVSS 3.0
EPSS 2.80%
Description
In ZZIPlib 0.13.68, there is an uncontrolled memory allocation and a crash in the __zzip_parse_root_directory function of zzip/zip.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.
Affected products
No data.
Configuration 2
- 7.0
Configuration 3
- 14.04
- 16.04
- 17.10
- 18.04
No data.
Red Hat Enterprise Linux 7
zziplib
Will not fix
Red Hat Enterprise Linux 8
zziplib
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | zziplib | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | zziplib | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security has rated this issue as having security impact of Low. This issue does not affect the versions of ZZIPlib as shipped in Red Hat Enterprise Linux 7, unless the package is recompiled with Address Sanitizer. The flaw is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/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:L/PR:N/UI:R/S:U/C:N/I:N/A:L
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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.80% (0.02801) | 85.97th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.96% (0.02960) | 85.38th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.92% (0.00923) | 74.39th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.21% (0.00214) | 60.28th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.21% (0.00214) | 58.66th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.41% (0.00406) | 69.69th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.94% (0.01943) | 48.45th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.94% (0.01943) | 0.00th | v1 |
References (9)
- http://www.securityfocus.com/bid/103050 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-6869 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1543941 Issue Tracking
- https://github.com/gdraheim/zziplib/issues/22 x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/02/msg00022.html mailing-listx_refsource_MLISTIssue TrackingMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00029.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2018-6869
- https://usn.ubuntu.com/3699-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-6869
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/103050 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2018-6869 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1543941 | Issue Tracking | |
| https://github.com/gdraheim/zziplib/issues/22 | x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/02/msg00022.html | mailing-listx_refsource_MLISTIssue TrackingMailing ListThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2020/06/msg00029.html | mailing-listx_refsource_MLIST | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-6869 | ||
| https://usn.ubuntu.com/3699-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-6869 |
Change history (0)
No recorded changes yet.