Vulnerability · Published Jul 5, 2021 · Assigned by mitre
CVE-2021-35331
High 7.8
In plain English
A high-severity security flaw in the tcl8.6 package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.7%top 22.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | tcl8.6 | no fix listed | DEBIAN-CVE-2021-35331 |
| Debian:13 | tcl8.6 | no fix listed | DEBIAN-CVE-2021-35331 |
| Debian:14 | tcl8.6 | no fix listed | DEBIAN-CVE-2021-35331 |
Affected products (as reported)
References
- https://core.tcl-lang.org/tcl/info/bad6cc213dfe8280 x_refsource_MISC
- https://core.tcl-lang.org/tcl/info/28ef6c0c741408a2 x_refsource_MISC
- https://github.com/tcltk/tcl/commit/4705dbdde2f32ff90420765cd93e7ac71d81a222 x_refsource_MISC
- https://sqlite.org/forum/info/7dcd751996c93ec9 x_refsource_MISC