Connect your agent
AdvisoriesCriticalCheck your lockfilePluginHow it worksPricing Connect your agent

CVE record · CVE-2026-90203

Squashfs: check block offset is not negative

CVSS 7.1 HighEPSS 0.0017 · 6th percentile

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:07 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 f400e12656ab518be107febfe2315fb1eab5a342 to before b169185d5c672b989985c6c2e38cafab2548ba88 git
  • affected f400e12656ab518be107febfe2315fb1eab5a342 to before c2a126fca820ae74872da28de68dc74d4595dc4b git
  • affected f400e12656ab518be107febfe2315fb1eab5a342 to before 95dadf366c117dcdca78a570e6832071deab1ecd git
  • affected f400e12656ab518be107febfe2315fb1eab5a342 to before 3d2f0cb66c909ea2312cdef465165bb9a3ba2d84 git
  • affected f400e12656ab518be107febfe2315fb1eab5a342 to before bbb2218eb072b0a15dc063929200183bd23c2344 git
  • affected f400e12656ab518be107febfe2315fb1eab5a342 to before d0a3729d464fcf516416a41cf304c0c92126ee03 git
  • affected f400e12656ab518be107febfe2315fb1eab5a342 to before e4afd90bc7bf3dd477970c6c42bdd29ad3fda7fe git
  • affected f400e12656ab518be107febfe2315fb1eab5a342 to before e300eb5002925b29be803d2661af07266cfa267e git
Other versions: unaffected
Linux Linux
  • affected 2.6.29
  • unaffected before 2.6.29 semver
  • unaffected 5.10.270 to 5.10.*, inclusive semver
  • unaffected 5.15.221 to 5.15.*, inclusive semver
  • unaffected 6.1.188 to 6.1.*, inclusive semver
  • unaffected 6.6.157 to 6.6.*, inclusive semver
  • unaffected 6.12.110 to 6.12.*, inclusive semver
  • unaffected 6.18.52 to 6.18.*, inclusive semver
  • unaffected 7.2.6 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-90203
CNA
Linux
Tags
Published
17 Sept 2026
Updated
19 Oct 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
7.1 High 3.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0017, the 6th percentile, on 13 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 17 Sept 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.