The DecodeNumber function in unrarlib.c in unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a NULL pointer dereference flaw triggered by a crafted RAR archive
Published Sep 3, 2017
5.5
MEDIUMCVSS 3.1
EPSS 1.12%
Description
The DecodeNumber function in unrarlib.c in unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a NULL pointer dereference flaw triggered by a crafted RAR archive. NOTE: this may be the same as one of the several test cases in the CVE-2017-11189 references.
Affected products
No data.
Configuration 2
- 9.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
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
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.12% (0.01118) | 64.90th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.12% (0.01118) | 64.67th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.14% (0.00136) | 49.54th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.14% (0.00136) | 49.28th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.14% (0.00136) | 47.25th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Oct 11, 2021 | 0.83% (0.00833) | 57.94th | v1 |
| Oct 5, 2021 | 3.63% (0.03630) | 82.47th | v1 |
| Oct 4, 2021 | 0.83% (0.00833) | 57.69th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.83% (0.00833) | 0.00th | v1 |
References (3)
- http://www.openwall.com/lists/oss-security/2017/08/20/1 x_refsource_MISCMailing ListThird Party Advisory
- https://bugs.debian.org/874061 x_refsource_MISCIssue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00026.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2017/08/20/1 | x_refsource_MISCMailing ListThird Party Advisory | |
| https://bugs.debian.org/874061 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2021/02/msg00026.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory |
Change history (0)
No recorded changes yet.