CVE-2010-0634
Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown...
Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown impact and attack vectors.
Exploit likelihood
What each source reports
NVD Score used 7.5
Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown impact and attack vectors.
- Record
CVE-2010-0634- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE ListNo score
Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown impact and attack vectors.
- Record
CVE-2010-0634- Updated
- 2026-11-02
EUVDEUVD-2010-0665No score
Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown impact and attack vectors.
- Record
EUVD-2010-0665- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6qjv-pcp7-rgfmNo score
Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown...
Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown impact and attack vectors.
- Record
GHSA-6qjv-pcp7-rgfm- Updated
- 2026-11-02
OSVNo score
Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown impact and attack vectors.
- Record
CVE-2010-0634- Updated
- 2026-11-02
OSVDEBIAN-CVE-2010-0634No score
Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown impact and attack vectors.
- Record
DEBIAN-CVE-2010-0634- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2010-0634 is a high vulnerability (CVSS 7.5) in Will Estes Flex, published February 12, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.04%, the 64th percentile. Fixed in flex 2.5.35-1.