Patch Forecast
Amber warning
Patch this week.

CVE-2026-102521

The decoder in `readFromDataView` in lib0 before 0.2.119 can be tricked into reading more than it…

Risk score
60/100
CVSS
8.6 v3.1
Exploit chance (30 days)
0.3%
Published
29 Sep 2026

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What to know

What it is
The decoder in readFromDataView in lib0 before 0.2.119 can be tricked into reading more than it should from a buffer. The vulnerability allows reading past the decoders' view, thus exposing adjacent process memory. This can be anything that is currently in the head, for example credentials or logs. This is similar to …
Affected
See advisory
Fix
Upgrade the product to 0.2.119 or later.
Exploitation
No known exploitation

Why it is Amber

  • CVSS 8.6 high
  • Remotely exploitable without logging in

References

Original description

The decoder in `readFromDataView` in lib0 before 0.2.119 can be tricked into reading more than it should from a buffer. The vulnerability allows reading past the decoders' view, thus exposing adjacent process memory. This can be anything that is currently in the head, for example credentials or logs. This is similar to but different from GHSA-r5c8-rf4w-qrq8.

Last activity 29 Sep 2026. Patch Forecast updates every hour.