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Fencer Intel
high 7.5

CVE-2010-0634 json

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

published 2010-02-12 16 y ago modified 2026-06-16 4 mo ago also EUVD-2010-0665

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

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

Patch / fix

  • flex Debian 14, Debian 13, Debian 12 2.5.35-1

debian advisories DEBIAN-CVE-2010-0634

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-0634 updated cvss 1.9

flex: Security fixes in v2.5.35

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.04% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.