MEDIUM
GNU Libextractor through 1.8 has a NULL Pointer Dereference vulnerability in the function process_metadata() in plugins/ole2_extractor.c
Published Dec 24, 2018
6.5
MEDIUMCVSS 3.0
EPSS 2.24%
Description
GNU Libextractor through 1.8 has a NULL Pointer Dereference vulnerability in the function process_metadata() in plugins/ole2_extractor.c.
Affected products
No data.
Configuration 1
- ≤ 1.8
Configuration 2
OR
- 8.0
- 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.
No CVSS v3.1 score for this CVE.
6.5 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.24% 0.02236
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02236
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.24% (0.02236) | 82.18th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.24% (0.02236) | 80.44th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.73% (0.00731) | 71.02th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.23% (0.00231) | 62.11th | v3 (v2023.03.01) |
| May 16, 2024 | 0.23% (0.00231) | 61.00th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.38% (0.00384) | 72.36th | v3 (v2023.03.01) |
| Dec 18, 2023 | 0.38% (0.00384) | 70.17th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.46% (0.00458) | 71.41th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.45% (0.01454) | 32.67th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.45% (0.01454) | 0.00th | v1 |
Weaknesses (1)
References (6)
- http://www.securityfocus.com/bid/106300 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://gnunet.org/bugs/view.php?id=5494 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://gnunet.org/git/libextractor.git/commit/?id=489c4a540bb2c4744471441425b8932b97a153e7 x_refsource_MISCPatchThird Party Advisory
- https://gnunet.org/git/libextractor.git/tree/ChangeLog x_refsource_MISCThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/12/msg00015.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://www.debian.org/security/2018/dsa-4361 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/106300 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://gnunet.org/bugs/view.php?id=5494 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://gnunet.org/git/libextractor.git/commit/?id=489c4a540bb2c4744471441425b8932b97a153e7 | x_refsource_MISCPatchThird Party Advisory | |
| https://gnunet.org/git/libextractor.git/tree/ChangeLog | x_refsource_MISCThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/12/msg00015.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://www.debian.org/security/2018/dsa-4361 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 24, 2018
Updated Aug 5, 2024
Reserved Dec 23, 2018
Link CVE-2018-20431
CISA Vulnrichment
Updated n/a