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SUSE:SLE-12-SP3:GA
mercurial.8018
hg-mpatch-fix03.patch
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File hg-mpatch-fix03.patch of Package mercurial.8018
# HG changeset patch # User Augie Fackler <augie@google.com> # Date 1524924552 14400 # Node ID faa924469635512b72868b1552a1866a0f91db20 # Parent 1acfc35d478cdae60cf62c6f07fa6b6ad3070ea7 mpatch: ensure fragment start isn't past the end of orig (SEC) Caught by oss-fuzz fuzzer during development. This defect is OVE-20180430-0004. A CVE has not been obtained as of this writing. --- mercurial/mpatch.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/mercurial/mpatch.c +++ b/mercurial/mpatch.c @@ -265,8 +265,8 @@ static int apply(char *buf, const char * char *p = buf; while (f != l->tail) { - if (f->start < last || f->end > len || last < 0) { - if (!PyErr_Occurred()) + if (f->start < last || f->start > len || f->end > len || + last < 0) { PyErr_SetString(mpatch_Error, "invalid patch"); return 0;
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