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Fencer Vulns
high 8.8

CVE-2026-28609 json

In read of MatroskaExtractor.cpp, there is a possible out-of-bounds write due to improper casting.

published 2026-09-08 2 mo ago modified 2026-09-15 54 d ago also EUVD-2026-73960

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 28%
public exploits
0
none known

Summary

In read of MatroskaExtractor.cpp, there is a possible out-of-bounds write due to improper casting. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
1 mo ago

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Google Android

Classification

Weakness
  • CWE-704 Incorrect Type Conversion or Cast

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.