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Fencer Vulns
medium 6.8

CVE-2003-1396 json

Heap-based buffer overflow in Opera 6.05 through 7.10 allows remote attackers to cause a denial of service (crash) and possibly execute arb…

published 2003-12-31 22 y ago modified 2026-06-16 4 mo ago also EUVD-2003-1386

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.1%
EPSS 9.1% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

Heap-based buffer overflow in Opera 6.05 through 7.10 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a filename with a long extension.

Patch / fix

Timeline

  1. First public exploit (EDB-22550)
  2. Published

Exploit prediction

9.09% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-22550 Opera 6.0.x/7.0 - Long File Name Remote Heap Corruption dos, 2003-04-28
  • archives.neohapsis.com http://archives.neohapsis.com/archives/bugtraq/2003-04/0346.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

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.