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Fencer Intel
no cvss —

CVE-2026-58803 json

In bytes_are_equal of lib.rs, there is a possible way to recover authentication keys due to side channel information disclosure.

published yesterday modified yesterday also EUVD-2026-122618

cvss
—
not scored
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 6%
public exploits
0
none known

Summary

In bytes_are_equal of lib.rs, there is a possible way to recover authentication keys due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

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Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-11).

Affected products

  • Google Android

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.