libyara/re.c in the regex component in YARA 3.5.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted rule that is mishandled in the yr_re_exec function
Published Apr 27, 2017
7.5
HIGHCVSS 3.0
EPSS 3.14%
Description
libyara/re.c in the regex component in YARA 3.5.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted rule that is mishandled in the yr_re_exec function.
Affected products
No data.
- 3.5.0
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.
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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.14% (0.03138) | 87.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.00% (0.02996) | 85.56th | v5 (v2026.06.15) |
| Jan 15, 2026 | 0.29% (0.00295) | 52.39th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.47% (0.00472) | 75.89th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.47% (0.00472) | 74.90th | v3 (v2023.03.01) |
| May 8, 2023 | 0.47% (0.00472) | 71.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.35% (0.00354) | 67.52th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.30% (0.01300) | 31.12th | v1 |
| Jan 6, 2022 | 1.30% (0.01300) | 30.48th | v1 |
| Sep 1, 2021 | 1.30% (0.01300) | 69.44th | v1 |
| Apr 14, 2021 | 1.30% (0.01300) | 0.00th | v1 |
References (3)
- http://www.securityfocus.com/bid/98072 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://github.com/VirusTotal/yara/commit/83d799804648c2a0895d40a19835d9b757c6fa4e x_refsource_CONFIRMPatch
- https://github.com/VirusTotal/yara/issues/646 x_refsource_CONFIRMIssue TrackingPatch
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/98072 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://github.com/VirusTotal/yara/commit/83d799804648c2a0895d40a19835d9b757c6fa4e | x_refsource_CONFIRMPatch | |
| https://github.com/VirusTotal/yara/issues/646 | x_refsource_CONFIRMIssue TrackingPatch |
Change history (0)
No recorded changes yet.