unzip: out-of-bounds read/write in test_compr_eb() in extract.c
Published Feb 6, 2015
5.0
MEDIUMCVSS 2.0
EPSS 11.87%
Description
unzip 6.0 allows remote attackers to cause a denial of service (out-of-bounds read or write and crash) via an extra field with an uncompressed size smaller than the compressed field size in a zip archive that advertises STORED method compression.
Affected products
No data.
Configuration 1
- 6.0
Configuration 2
- 10.04
- 12.04
- 14.04
- 14.10
Configuration 3
- 7.0
Configuration 4
- 20
- 21
No data.
Red Hat Enterprise Linux 6
unzip-0:6.0-2.el6_6
Fixed · RHSA-2015:0700
Red Hat Enterprise Linux 7
unzip-0:6.0-15.ael7b
Fixed · RHSA-2015:0700
Red Hat Enterprise Linux 5
unzip
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | unzip-0:6.0-2.el6_6 | Fixed | RHSA-2015:0700 |
| Red Hat Enterprise Linux 7 | unzip-0:6.0-15.ael7b | Fixed | RHSA-2015:0700 |
| Red Hat Enterprise Linux 5 | unzip | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates in Red Hat Enterprise Linux 5. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/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 (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 11.87% (0.11874) | 95.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 11.56% (0.11562) | 95.47th | v5 (v2026.06.15) |
| Feb 27, 2026 | 58.38% (0.58381) | 98.15th | v4 (v2025.03.14) |
| Oct 14, 2025 | 65.04% (0.65042) | 98.37th | v4 (v2025.03.14) |
| Aug 11, 2025 | 66.08% (0.66078) | 98.44th | v4 (v2025.03.14) |
| Apr 13, 2025 | 59.30% (0.59304) | 98.07th | v4 (v2025.03.14) |
| Mar 30, 2025 | 64.44% (0.64436) | 98.30th | v4 (v2025.03.14) |
| Mar 29, 2025 | 72.32% (0.72316) | 98.36th | v4 (v2025.03.14) |
| Mar 28, 2025 | 64.44% (0.64436) | 98.30th | v4 (v2025.03.14) |
| Mar 27, 2025 | 72.32% (0.72316) | 98.62th | v4 (v2025.03.14) |
| Mar 26, 2025 | 64.44% (0.64436) | 98.30th | v4 (v2025.03.14) |
| Mar 25, 2025 | 72.32% (0.72316) | 98.70th | v4 (v2025.03.14) |
| Mar 17, 2025 | 64.44% (0.64436) | 98.29th | v4 (v2025.03.14) |
| Dec 17, 2024 | 17.15% (0.17152) | 96.05th | v3 (v2023.03.01) |
| Sep 18, 2024 | 20.77% (0.20770) | 96.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 25.88% (0.25884) | 95.94th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
References (18)
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/148792.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/148849.html vendor-advisoryx_refsource_FEDORA
- http://seclists.org/oss-sec/2014/q4/1131 mailing-listx_refsource_MLIST
- http://seclists.org/oss-sec/2014/q4/489 mailing-listx_refsource_MLIST
- http://seclists.org/oss-sec/2014/q4/496 mailing-listx_refsource_MLIST
- http://seclists.org/oss-sec/2015/q1/216 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/62738 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62751 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2015/dsa-3152 vendor-advisoryx_refsource_DEBIAN
- http://www.info-zip.org/phpBB3/viewtopic.php?f=7&t=450 x_refsource_CONFIRMPatchVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/71825 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-2489-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2014-9636 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1184985 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-9636
- https://security.gentoo.org/glsa/201611-01 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2014-9636
Change history (0)
No recorded changes yet.