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Fencer Vulns
medium 4.6

CVE-2003-0877 json

Mac OS X before 10.3 with core files enabled allows local users to overwrite arbitrary files and read core files via a symlink attack on co…

published 2003-10-30 23 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0867

cvss
4.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits
0
none known

Summary

Mac OS X before 10.3 with core files enabled allows local users to overwrite arbitrary files and read core files via a symlink attack on core files that are created with predictable names in the /cores directory.

Patch / fix

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns 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.