CVE catalog
CVE-2021-35331
tcl8.6: CVE-2021-35331
- Severity
- High · CVSS 7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.69% · Oct 27, 2026
In Tcl 8.6.11, a format string vulnerability in nmakehlp.c might allow code execution via a crafted file. NOTE: multiple third parties dispute the significance of this finding
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | tcl8.6 | sid | 8.6.18+dfsg-1 | vulnerable |
| Debian | tcl8.6 | forky | 8.6.18+dfsg-1 | vulnerable |
| Debian | tcl8.6 | trixie | 8.6.16+dfsg-1 | vulnerable |
| Debian | tcl8.6 | bookworm | 8.6.13+dfsg-2 | vulnerable |
| Suse | tcl | linux enterprise software development kit 12 sp5 | 8.6.12-11.3.1 | fixed |
| Suse | tk | linux enterprise software development kit 12 sp5 | 8.6.12-11.3.1 | fixed |
| Suse | tcl | linux enterprise server 12 sp5 | 8.6.12-11.3.1 | fixed |
| Suse | tk | linux enterprise server 12 sp5 | 8.6.12-11.3.1 | fixed |
| Suse | tcl | linux enterprise server for sap applications 12 sp5 | 8.6.12-11.3.1 | fixed |
| Suse | tk | linux enterprise server for sap applications 12 sp5 | 8.6.12-11.3.1 | fixed |
| Suse | tcl | linux enterprise module for basesystem 15 sp3 | 8.6.12-150300.14.3.1 | fixed |
| Suse | tk | linux enterprise module for basesystem 15 sp3 | 8.6.12-150300.10.3.1 | fixed |
| Suse | tk | linux enterprise module for desktop applications 15 sp3 | 8.6.12-150300.10.3.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | tcl8.6 | source | sid | (unfixed) | unimportant | Not reported | Not reported |
| Debian | tcl8.6 | source | forky | (unfixed) | unimportant | Not reported | Not reported |
| Debian | tcl8.6 | source | trixie | (unfixed) | unimportant | Not reported | Not reported |
| Debian | tcl8.6 | source | bookworm | (unfixed) | unimportant | Not reported | Not reported |
| Suse | tcl | rpm | linux enterprise software development kit 12 sp5 | 8.6.12-11.3.1 | Not reported | SUSE-FU-2022:0484-1 | Not reported |
| Suse | tk | rpm | linux enterprise software development kit 12 sp5 | 8.6.12-11.3.1 | Not reported | SUSE-FU-2022:0484-1 | Not reported |
| Suse | tcl | rpm | linux enterprise server 12 sp5 | 8.6.12-11.3.1 | Not reported | SUSE-FU-2022:0484-1 | Not reported |
| Suse | tk | rpm | linux enterprise server 12 sp5 | 8.6.12-11.3.1 | Not reported | SUSE-FU-2022:0484-1 | Not reported |
| Suse | tcl | rpm | linux enterprise server for sap applications 12 sp5 | 8.6.12-11.3.1 | Not reported | SUSE-FU-2022:0484-1 | Not reported |
| Suse | tk | rpm | linux enterprise server for sap applications 12 sp5 | 8.6.12-11.3.1 | Not reported | SUSE-FU-2022:0484-1 | Not reported |
| Suse | tcl | rpm | linux enterprise module for basesystem 15 sp3 | 8.6.12-150300.14.3.1 | Not reported | SUSE-FU-2022:0868-1 | Not reported |
| Suse | tk | rpm | linux enterprise module for basesystem 15 sp3 | 8.6.12-150300.10.3.1 | Not reported | SUSE-FU-2022:0868-1 | Not reported |
| Suse | tk | rpm | linux enterprise module for desktop applications 15 sp3 | 8.6.12-150300.10.3.1 | Not reported | SUSE-FU-2022:0868-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libtcl8.6]Affected
Source package: [tcl8.6]
Details (2)
8.6.13+dfsg-2· amd64 · bookwormAffected
dsa · tcl8.6 · debian · bookworm; dsa · tcl8.6 · debian · 12
8.6.13+dfsg-2· arm64 · bookwormAffected
dsa · tcl8.6 · debian · bookworm; dsa · tcl8.6 · debian · 12
- [tcl8.6]Affected
Details (2)
8.6.13+dfsg-2· amd64 · bookwormAffected
dsa · tcl8.6 · debian · bookworm; dsa · tcl8.6 · debian · 12
8.6.13+dfsg-2· arm64 · bookwormAffected
dsa · tcl8.6 · debian · bookworm; dsa · tcl8.6 · debian · 12
- [tcl8.6-dev]Affected
Source package: [tcl8.6]
Details (2)
8.6.13+dfsg-2· amd64 · bookwormAffected
dsa · tcl8.6 · debian · bookworm; dsa · tcl8.6 · debian · 12
8.6.13+dfsg-2· arm64 · bookwormAffected
dsa · tcl8.6 · debian · bookworm; dsa · tcl8.6 · debian · 12
- [tcl8.6-doc]Affected
Source package: [tcl8.6]
Details (2)
8.6.13+dfsg-2· all · bookwormAffected
dsa · tcl8.6 · debian · bookworm; dsa · tcl8.6 · debian · 12
8.6.13+dfsg-2· all · bookwormAffected
dsa · tcl8.6 · debian · bookworm; dsa · tcl8.6 · debian · 12
[Debian 13 (Trixie)]
- [libtcl8.6]Affected
Source package: [tcl8.6]
Details (2)
8.6.16+dfsg-1· amd64 · trixieAffected
dsa · tcl8.6 · debian · 13
8.6.16+dfsg-1· arm64 · trixieAffected
dsa · tcl8.6 · debian · 13
- [tcl8.6]Affected
Details (2)
8.6.16+dfsg-1· amd64 · trixieAffected
dsa · tcl8.6 · debian · 13
8.6.16+dfsg-1· arm64 · trixieAffected
dsa · tcl8.6 · debian · 13
- [tcl8.6-dev]Affected
Source package: [tcl8.6]
Details (2)
8.6.16+dfsg-1· amd64 · trixieAffected
dsa · tcl8.6 · debian · 13
8.6.16+dfsg-1· arm64 · trixieAffected
dsa · tcl8.6 · debian · 13
- [tcl8.6-doc]Affected
Source package: [tcl8.6]
Details (2)
8.6.16+dfsg-1· all · trixieAffected
dsa · tcl8.6 · debian · 13
8.6.16+dfsg-1· all · trixieAffected
dsa · tcl8.6 · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-fu-2022_0484-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-35331]
- [https://osv.dev/vulnerability/SUSE-FU-2022:0484-1]
- [https://osv.dev/vulnerability/SUSE-FU-2022:0868-1]
- [https://security-tracker.debian.org/tracker/CVE-2021-35331]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]