Multiple stack-based buffer overflows in unrtf 0.21.9 allow remote attackers to cause a denial-of-service by writing a negative integer to the (1) cmd_expand function, (2) cmd_emboss function, or (3) cmd_engrave function
Published Apr 21, 2017
7.5
HIGHCVSS 3.0
EPSS 2.84%
Description
Multiple stack-based buffer overflows in unrtf 0.21.9 allow remote attackers to cause a denial-of-service by writing a negative integer to the (1) cmd_expand function, (2) cmd_emboss function, or (3) cmd_engrave function.
Affected products
No data.
- 0.21.9
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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.84% (0.02836) | 86.15th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.84% (0.02836) | 84.75th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.61% (0.02609) | 84.30th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.16% (0.05164) | 82.77th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.61% (0.02609) | 84.61th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.62% (0.00623) | 79.59th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.62% (0.00623) | 78.23th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.62% (0.00623) | 75.61th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (5)
- http://hg.savannah.gnu.org/hgweb/unrtf/rev/3b16893a6406 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/12/31/3 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/01/1 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/95173 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1409546 x_refsource_CONFIRMIssue TrackingPatch
| Link | Providers | Tags |
|---|---|---|
| http://hg.savannah.gnu.org/hgweb/unrtf/rev/3b16893a6406 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2016/12/31/3 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2017/01/01/1 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.securityfocus.com/bid/95173 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1409546 | x_refsource_CONFIRMIssue TrackingPatch |
Change history (0)
No recorded changes yet.