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home:Alexander_Naumov:SLE-12:Update
ghostscript.30677
CVE-2020-15900.patch
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File CVE-2020-15900.patch of Package ghostscript.30677
--- psi/zstring.c.orig 2020-03-19 09:21:42.000000000 +0100 +++ psi/zstring.c 2020-07-27 08:25:08.963425295 +0200 @@ -142,13 +142,18 @@ search_impl(i_ctx_t *i_ctx_p, bool forwa return 0; found: op->tas.type_attrs = op1->tas.type_attrs; - op->value.bytes = ptr; - r_set_size(op, size); + op->value.bytes = ptr; /* match */ + op->tas.rsize = size; /* match */ push(2); - op[-1] = *op1; - r_set_size(op - 1, ptr - op[-1].value.bytes); - op1->value.bytes = ptr + size; - r_set_size(op1, count + (!forward ? (size - 1) : 0)); + op[-1] = *op1; /* pre */ + op[-3].value.bytes = ptr + size; /* post */ + if (forward) { + op[-1].tas.rsize = ptr - op[-1].value.bytes; /* pre */ + op[-3].tas.rsize = count; /* post */ + } else { + op[-1].tas.rsize = count; /* pre */ + op[-3].tas.rsize -= count + size; /* post */ + } make_true(op); return 0; }
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