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CVE-2026-58868

In onOutputReceived of FrameDecoder.cpp, there is a possible out-of-bounds write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS
Unavailable
EPSS (exploit probability)
0.2%11th pct
CISA KEV
Not listed

EPSS trendFIRST daily scores, last 90 days

FIRST EPSS 0.2% on 2026-11-03. One daily score stored so far.
2026-11-03 · 1 day
Daily values
FIRST EPSS daily scores for this CVE
Score dateEPSSPercentile
2026-11-030.2%11.3%

Coverage1 article

References

Facts sourced from NVD, FIRST EPSS, and CISA KEV. Last synced 2026-11-04 10:20 UTC.

  • CVSS & description: NVD 2.0, fetched 2026-11-04 10:20 UTC
  • EPSS: FIRST EPSS, fetched 2026-11-04 10:20 UTC; score date 2026-11-03
  • KEV: CISA KEV, fetched 2026-11-04 10:20 UTC