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OpenBSD 2.3: Possible buffer overflow in the resolver rountines  31 August 1998 
A benign looking buffer overflow in the resolver routines was re-introduced accidentally. The previously fixed behaviour is more correct.
OpenBSD 2.3: File descriptor leak with Chpass (1)  02 August 1998 
Chpass(1) has a file descriptor leak which allows an attacker to modify /etc/master.passwd
OpenBSD 2.3: Vulnerabilities in Inted  15 July 1998 
Inetd had a file descriptor leak.
OpenBSD 2.3: setuid and setgid programs run with certain file decriptors unallocated  02 July 1998 
Some non-allocated file descriptors have implied uses according to system libraries, and hence setuid and setgid processes should not be executed with these descriptors unallocated. There is a patch which forces setuid and setgid processes to have some descriptors in fd slots 0, 1, and 2.
OpenBSD 2.3: Problems with kill(2) system call to setuid or setgid processes  07 June 1998 
The kill(2) system call previously would permit a large set of signals to be delivered to setuid or setgid processes. If such processes were using those signals in dubious ways, this could have resulted in security problems of various kinds.
OpenBSD 2.3: Vulnerabilities found in the X11, Xt, Xaw and Xmu librabries  23 May 1998 
Vulnerabilities have been found in the X11, Xt, Xaw and Xmu libraries. These affect xterm and all other setuid-root programs that use these libraries. The problems are associated with buffer overflows in code that processes user-supplied data.
OpenBSD 2.3: Problem with securelevels & immutable or append-only files or character devices  11 May 1998 
A possible new security problem exists if you rely on securelevels and immutable or append-only files or character devices.
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