# speakup: keyhelp: guard letter_offsets possible out-of-range indexing

CVE record · `CVE-2026-93053`

- **Identifiers:** `CVE-2026-93053`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:10 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

- Vendor: Linux. Product: Linux.
  - affected: `c6e3fd22cd538365bfeb82997d5b89562e077d42 to before fd339b9ef0accb2c24a5285df842552ebf5eb146` (git)
  - affected: `c6e3fd22cd538365bfeb82997d5b89562e077d42 to before 900cd6e5ef46bd15153762fb26bb03f874fccc52` (git)
  - affected: `c6e3fd22cd538365bfeb82997d5b89562e077d42 to before 6b39969c724d39b6062efa354dc2d38442bfd021` (git)
  - affected: `c6e3fd22cd538365bfeb82997d5b89562e077d42 to before 2e91ab73f9beb659f581e2a6a09f79ace1140905` (git)
  - affected: `c6e3fd22cd538365bfeb82997d5b89562e077d42 to before d7deb90c4cd086cb111f0ecc9da021218fbde1b0` (git)
  - affected: `c6e3fd22cd538365bfeb82997d5b89562e077d42 to before 5310334762c3f08f51dc2414344dd47492c07d1d` (git)
  - affected: `c6e3fd22cd538365bfeb82997d5b89562e077d42 to before ca4489b3e54666a7cac7294e71a3cf64e5e95286` (git)
  - affected: `c6e3fd22cd538365bfeb82997d5b89562e077d42 to before 6a19ad4d68c95185308cd9e5d169b10a2cf236c8` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.37`
  - unaffected: `before 2.6.37` (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

## 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

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0018, the 7th percentile, on 14 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

- [CVE List: CVE-2026-93053](https://www.cve.org/CVERecord?id=CVE-2026-93053)
- [NVD: CVE-2026-93053](https://nvd.nist.gov/vuln/detail/CVE-2026-93053)

### References from the CNA

- <https://git.kernel.org/stable/c/fd339b9ef0accb2c24a5285df842552ebf5eb146>
- <https://git.kernel.org/stable/c/900cd6e5ef46bd15153762fb26bb03f874fccc52>
- <https://git.kernel.org/stable/c/6b39969c724d39b6062efa354dc2d38442bfd021>
- <https://git.kernel.org/stable/c/2e91ab73f9beb659f581e2a6a09f79ace1140905>
- <https://git.kernel.org/stable/c/d7deb90c4cd086cb111f0ecc9da021218fbde1b0>
- <https://git.kernel.org/stable/c/5310334762c3f08f51dc2414344dd47492c07d1d>
- <https://git.kernel.org/stable/c/ca4489b3e54666a7cac7294e71a3cf64e5e95286>
- <https://git.kernel.org/stable/c/6a19ad4d68c95185308cd9e5d169b10a2cf236c8>

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.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-93053>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93053/>. Everything for agents: <https://agentprime.io/llms.txt>.