Description
Tiny C Compiler (TCC) 0.9.23 (aka TinyCC) evaluates the "i>sizeof(int)" expression to false when i equals -1, which might introduce integer overflow vulnerabilities into applications that could be exploited by context-dependent attackers.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 13 | tcc | 0.9.24~cvs20070502-1 | — |
| Debian 12 | tcc | 0.9.24~cvs20070502-1 | — |
References
- 20060207 Re: [xfocus-SD-060206]BCB compiler incorrect deal sizeof operator vulnerability mailing-list
- 22956 vdb-entry