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| author | dgp <dgp@users.sourceforge.net> | 2012-01-19 20:46:04 (GMT) |
|---|---|---|
| committer | dgp <dgp@users.sourceforge.net> | 2012-01-19 20:46:04 (GMT) |
| commit | 868168e18953894ec72ea898ff4d2f518283184e (patch) | |
| tree | 403c372c2579d691321cae91bd0a08637333017c | |
| parent | bbed95eccee9f7f5940bf4465a16ec6e6efbb84a (diff) | |
| download | tcl-868168e18953894ec72ea898ff4d2f518283184e.zip tcl-868168e18953894ec72ea898ff4d2f518283184e.tar.gz tcl-868168e18953894ec72ea898ff4d2f518283184e.tar.bz2 | |
3475667 Prevent buffer read overflow. Thanks to "sebres" for the report and fix.
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | generic/tclCmdMZ.c | 2 |
2 files changed, 7 insertions, 2 deletions
@@ -1,4 +1,9 @@ -2011-01-17 Don Porter <dgp@users.sourceforge.net> +2012-01-19 Don Porter <dgp@users.sourceforge.net> + + * generic/tclCmdMZ.c: [Bug 3475667] Prevent buffer read overflow. + Thanks to "sebres" for the report and fix. + +2012-01-17 Don Porter <dgp@users.sourceforge.net> * library/http/http.tcl: Bump to 2.5.6. * library/http/pkgIndex.tcl: diff --git a/generic/tclCmdMZ.c b/generic/tclCmdMZ.c index ccf3bc6..27e4055 100644 --- a/generic/tclCmdMZ.c +++ b/generic/tclCmdMZ.c @@ -378,7 +378,7 @@ Tcl_RegexpObjCmd(dummy, interp, objc, objv) while (1) { match = Tcl_RegExpExecObj(interp, regExpr, objPtr, offset /* offset */, numMatchesSaved, eflags - | ((offset > 0 && + | ((offset > 0 && offset < stringLength && (Tcl_GetUniChar(objPtr,offset-1) != (Tcl_UniChar)'\n')) ? TCL_REG_NOTBOL : 0)); |