HIGH
flex: Security fixes in v2.5.35
Published Feb 12, 2010
7.5
HIGHCVSS 2.0
EPSS 1.04%
Description
Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown impact and attack vectors.
Affected products
No data.
OR
- ≤ 2.5.34
- 2.5.4a
- 2.5.27
- 2.5.31
- 2.5.33
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.
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.04% 0.01041
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01041
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 | 1.04% (0.01041) | 62.74th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.04% (0.01041) | 59.43th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.30% (0.00296) | 50.79th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.24% (0.00244) | 64.90th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.22% (0.00221) | 59.90th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.21% (0.00214) | 58.71th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.19% (0.00187) | 55.01th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.24% (0.00244) | 60.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (6)
- http://freshmeat.net/projects/flex/releases/311661 x_refsource_CONFIRMPatch
- http://osvdb.org/62029 vdb-entryx_refsource_OSVDB
- https://access.redhat.com/security/cve/CVE-2010-0634 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=564560 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2010-0634
- https://www.cve.org/CVERecord?id=CVE-2010-0634
| Link | Providers | Tags |
|---|---|---|
| http://freshmeat.net/projects/flex/releases/311661 | x_refsource_CONFIRMPatch | |
| http://osvdb.org/62029 | vdb-entryx_refsource_OSVDB | |
| https://access.redhat.com/security/cve/CVE-2010-0634 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=564560 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2010-0634 | ||
| https://www.cve.org/CVERecord?id=CVE-2010-0634 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 12, 2010
Updated Sep 16, 2024
Reserved Feb 12, 2010
Link CVE-2010-0634
CISA Vulnrichment
Updated n/a