QSearchQSearch

CVE-2021-3746

6.5 MEDIUM

A flaw was found in the libtpms code that may cause access beyond the boundary of internal buffers

Published: 2021-10-19 · Last updated: 2026-06-17

Severity and scoring

CVSS
6.5 MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE
CWE-119

Affected products

VendorProduct
fedoraprojectenterprise_linux, fedora, libtpms
libtpms_projectenterprise_linux, fedora, libtpms
redhatenterprise_linux, fedora, libtpms

Description

A flaw was found in the libtpms code that may cause access beyond the boundary of internal buffers. The vulnerability is triggered by specially-crafted TPM2 command packets that then trigger the issue when the state of the TPM2's volatile state is written. The highest threat from this vulnerability is to system availability. This issue affects libtpms versions before 0.8.5, before 0.7.9 and before 0.6.6.

Source: NVD

References

Related CVEs

Same vendor

  • CVE-2026-1767 — A flaw was found in the GNOME localsearch (previously known as tracker-miners) MP3 Extractor `tracker-extract-mp3` component (5.6 MEDIUM)
  • CVE-2026-1766 — A flaw was found in GNOME localsearch (previously known as tracker-miners) MP3 Extractor, specifically within the tracker-extract-mp3 com... (5.6 MEDIUM)
  • CVE-2026-11793 — A stack buffer overflow flaw was found in 389 Directory Server (4.9 MEDIUM)
  • CVE-2026-11790 — A flaw was found in 389 Directory Server (4.9 MEDIUM)
  • CVE-2026-11789 — A flaw was found in 389 Directory Server (4.9 MEDIUM)

Same CWE

  • CVE-2026-12330 — Incorrect boundary conditions in the Internationalization component (5.4 MEDIUM)
  • CVE-2026-12329 — Memory safety bug fixed in Thunderbird ESR 140.12 (5.3 MEDIUM)
  • CVE-2026-12327 — Memory safety bugs present in Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151 (7.3 HIGH)
  • CVE-2026-12326 — Memory safety bugs present in Firefox 151 and Thunderbird 151 (7.3 HIGH)
  • CVE-2026-12318 — Incorrect boundary conditions in the Libraries component in NSS (7.3 HIGH)