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CVE-2010-0634

Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown...

7.5 HighFix available

Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown impact and attack vectors.

Exploit likelihood

1.04%Up 0.2 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used7.5

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 HighAV: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

Affected packages
PackageAffectedFixed
flex
Debian:12
before 2.5.35-1
2.5.35-1
flex
Debian:13
before 2.5.35-1
2.5.35-1
flex
Debian:14
before 2.5.35-1
2.5.35-1

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE 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.

References

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