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Fencer Vulns
high 7.5

CVE-2023-6562 json

JPX Fragment List (flst) box vulnerability in Kakadu 7.9 allows an attacker to exfiltrate local and remote files reachable by a server if t…

published 2023-12-20 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58791

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits
0
none known

Summary

JPX Fragment List (flst) box vulnerability in Kakadu 7.9 allows an attacker to exfiltrate local and remote files reachable by a server if the server allows the attacker to upload a specially-crafted the image that is displayed back to the attacker.

Patch / fix

  • Kakadu Software Pty Ltd Kakadu SDK 8.4

Exploit prediction

0.72% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/google/security-research/security/advisories/GHSA-g6qc-fhcq-vhf9 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • Kakadu Software Pty Ltd Kakadu SDK

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory
  • CWE-434 Unrestricted Upload of File with Dangerous Type

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.