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CVE record · CVE-2026-74751

riscv: lib: Fix ZBB strnlen reading past count boundary

CVSS 9.4 CriticalCriticalEPSS 0.0046 · 40th percentile

Critical, because:

  • CVSS score 9.4: 9.0 or more.

How we decide what’s critical

Published by the CVE Program (CNA: Linux) at 26 Aug 2026, 14:36 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Linux Linux
  • affected 5ba15d419fab848a3813eb56bbcad00e291fbc49 to before e697e30f3dd2da3a1df7dc0980546d5b53aea4b6 git
  • affected 5ba15d419fab848a3813eb56bbcad00e291fbc49 to before 5d588c684833e678a0008eb69c33190f01a65f4b git
Other versions: unaffected
Linux Linux
  • affected 7.1
  • unaffected before 7.1 semver
  • unaffected 7.1.10 to 7.1.*, inclusive semver
  • unaffected 7.2 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-74751
CNA
Linux
Tags
Published
26 Aug 2026
Updated
27 Aug 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.4 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0046, the 40th percentile, on 15 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 26 Aug 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.